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1

Locations and landscapes of paleolithic sites in the Semliki Rift, Zaire

David M. Helgren

Journal:

Year:

1997

Language:

english

File:

PDF, 276 KB

english, 1997

2

Historical Geomorphology and Geoarchaeology in the Southwestern Makgadikgadi Basin, Botswana

David M. Helgren

Journal:

Annals of the Association of American Geographers

Year:

1984

Language:

english

File:

PDF, 799 KB

english, 1984

3

Alluvial Terraces of the Lower Vaal River, South Africa: A Reappraisal and Reinvestigation

Karl W. Butzer, David M. Helgren, G. J. Fock and Robert Stuckenrath

Journal:

The Journal of Geology

Year:

1973

Language:

english

File:

PDF, 3.35 MB

english, 1973

4

Acheulian settlement along the Lower Vaal river, South Africa

Helgren, David M.

Journal:

Journal of Archaeological Science

Year:

1978

Language:

english

File:

PDF, 384 KB

english, 1978

5

Advances in archaeological method and theory, vol. 1

Helgren, David M

Journal:

Journal of Archaeological Science

Year:

1979

Language:

english

File:

PDF, 212 KB

english, 1979

6

Geoarchaeology at Gi, a middle stone age and later stone age site in the Northwest Kalahari

Brooks, Alison S., Helgren, David M.

Journal:

Journal of Archaeological Science

Year:

1983

Language:

english

File:

PDF, 1.44 MB

english, 1983

7

10.1016/S0305-4403(80)80033-1

Helgren, David M.

Journal:

Journal of Archaeological Science

Year:

1980

Language:

english

File:

PDF, 157 KB

english, 1980

8

Livestock, Land Cover, and Environmental History: The Tablelands of New South Wales, Australia, 1820–1920

Karl W. Butzer, David M. Helgren

Journal:

Annals of the Association of American Geographers

Year:

2005

Language:

english

File:

PDF, 531 KB

english, 2005

9

Late cenozoic evolution of the Cape Coast between Knysna and Cape St. Francis, South Africa

Karl W. Butzer, David M. Helgren

Journal:

Quaternary Research

Year:

1972

Language:

english

File:

PDF, 2.32 MB

english, 1972

10

Trophic effect of ciliary neurotrophic factor on denervated skeletal muscle

Maureen E. Helgren, Stephen P. Squinto, Heather L. Davis, David J. Parry, Teri G. Boulton, Carol S. Heck, Yuan Zhu, George D. Yancopoulos, Ronald M. Lindsay, Peter S. DiStefano

Journal:

Year:

1994

Language:

english

File:

PDF, 4.23 MB

english, 1994

11

Quenched magnetic moment in Mn-doped amorphous Si films

Zeng, Li, Helgren, E., Rahimi, M., Hellman, F., Islam, R., Wilkens, B. J., Culbertson, R. J., Smith, David J.

Journal:

Physical Review B

Year:

2008

Language:

english

File:

PDF, 169 KB

english, 2008

12

Microstructure, magnetotransport, and magnetic properties of Gd-doped amorphous carbon

Zeng, Li, Helgren, E., Hellman, F., Islam, R., Smith, David J., Ager, J. W.

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 675 KB

english, 2007

13

Resonant impurity scattering and electron-phonon scattering in the electrical resistivity of Cr thin films

Boekelheide, Z., Cooke, David W., Helgren, E., Hellman, F.

Journal:

Physical Review B

Year:

2009

Language:

english

File:

PDF, 589 KB

english, 2009

14

Venous Interventions

Helgren, David M.

Journal:

Journal of Vascular and Interventional Radiology

Year:

2005

Language:

english

File:

PDF, 271 KB

english, 2005

15

Advances in archeological method and theory, volume 3

Helgren, David M.

Journal:

Journal of Archaeological Science

Year:

1982

Language:

english

File:

PDF, 206 KB

english, 1982

16

Fossils in the making: Vertebrate taphonomy and paleoecology

Helgren, David M.

Journal:

Journal of Archaeological Science

Year:

1981

Language:

english

File:

PDF, 86 KB

english, 1981

17

Advances in archaeological method and theory, volume 4

Helgren, David M.

Journal:

Journal of Archaeological Science

Year:

1982

Language:

english

File:

PDF, 101 KB

english, 1982

18

Prehistoric life on the Mississippi floodplain: Stone tool use, settlement organization, and subsistence practices at the Labras Lake site, Illinois

Helgren, David M.

Journal:

Journal of Archaeological Science

Year:

1990

Language:

english

File:

PDF, 213 KB

english, 1990

19

Late-Quaternary Environments of the United States, Volume 1, the Late Pleistoceneby Stephen C. Porter;Late-Quaternary Environments of the United States, Volume 2, the Holoceneby H. E. Wright,

Review by: David M. Helgren

Journal:

American Antiquity

Year:

1985

Language:

english

File:

PDF, 461 KB

english, 1985

20

Life and Land Use on the Bahrain Islands: The Geoarcheology of an Ancient Societyby Curtis E. Larsen

Review by: David M. Helgren

Journal:

The Middle East Journal

Year:

1985

Language:

english

File:

PDF, 128 KB

english, 1985

21

Distinct local electronic structure and magnetism for Mn in amorphous Si and Ge

Zeng, Li, Cao, J. X., Helgren, E., Karel, J., Arenholz, E., Ouyang, Lu, Smith, David J., Wu, R. Q., Hellman, F.

Journal:

Physical Review B

Year:

2010

Language:

english

File:

PDF, 652 KB

english, 2010

22

Alloys on the Insulating Side of the Metal-Insulator Transition

Helgren, Erik, Grüner, George, Ciofalo, Martin R., Baxter, David V., Carini, John P.

Journal:

Physical Review Letters

Year:

2001

Language:

english

File:

PDF, 100 KB

english, 2001

23

Erratum: Growth and microstructure dependence of electronic and magnetic properties in magnetically doped Gd-Si amorphous semiconductors [Phys. Rev. B 75 , 184404 (2007)]

Zeng, Li, Helgren, Erik, Hellman, Frances, Islam, Rafiqul, Smith, David J.

Journal:

Physical Review B

Year:

2007

File:

PDF, 237 KB

2007

24

alloys near the metal-insulator transition

Helgren, E., Hellman, F., Zeng, Li, Sinenian, N., Islam, R., Smith, David J.

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 846 KB

english, 2007

25

Growth and microstructure dependence of electronic and magnetic properties in magnetically doped Gd-Si amorphous semiconductors

Zeng, Li, Helgren, Erik, Hellman, Frances, Islam, Rafiqul, Smith, David J.

Journal:

Physical Review B

Year:

2007

Language:

english

File:

PDF, 320 KB

english, 2007

26

Concentration dependent microstructure and transport properties of the magnetic semiconductor Gd-Si

Helgren, E., Queen, D., Hellman, F., Zeng, L., Islam, R., Smith, David J.

Journal:

Journal of Applied Physics

Year:

2007

Language:

english

File:

PDF, 570 KB

english, 2007

27

Effects of annealing on amorphous Gd[sub x]Si[sub 1−x] near the metal-insulator transition

Guillotel, E., Zeng, L., Helgren, E., Hellman, F., Islam, R., Smith, David J.

Journal:

Journal of Applied Physics

Year:

2007

Language:

english

File:

PDF, 599 KB

english, 2007

28

Place Name Ignorance Is National News

Helgren, David M.

Journal:

Journal of Geography

Year:

1983

Language:

english

File:

PDF, 435 KB

english, 1983

29

Microvesicular Steatosis Induced by a Short Chain Fatty Acid: Effects on Mitochondrial Function and Correlation with Gene Expression

Jolly, Robert A., Ciurlionis, Rita, Morfitt, David, Helgren, Mary, Patterson, Reid, Ulrich, Roger G., Waring, Jeffrey F.

Journal:

Toxicologic Pathology

Year:

2004

Language:

english

File:

PDF, 3.51 MB

english, 2004

30

Mathematics for Physical Geographersby Graham N. Sumner;Science for Physical Geographersby Donald A. Davidson

Review by: David M. Helgren

Journal:

Geographical Review

Year:

1980

Language:

english

File:

PDF, 114 KB

english, 1980

31

Geomorphological Techniquesby Andrew Goudie

Review by: David M. Helgren

Journal:

Geographical Review

Year:

1983

Language:

english

File:

PDF, 115 KB

english, 1983

32

Alluvial Terraces of the Lower Vaal River, South Africa: A Reappraisal and Reinvestigation: A Reply

David M. Helgren and Karl W. Butzer

Journal:

The Journal of Geology

Year:

1974

Language:

english

File:

PDF, 579 KB

english, 1974

33

Paleosols of the Southern Cape Coast, South Africa: Implications for Laterite Definition, Genesis, and Age

Helgren, David M., Butzer, Karl W.

Journal:

Geographical Review

Year:

1977

Language:

english

File:

PDF, 650 KB

english, 1977

34

The World System and the Earth System: Global Socio-Environmental Change and Sustainability since the Neolithic . Alf Hornborg , Carole L. Crumley

Journal:

Journal of Anthropological Research

Year:

2009

Language:

english

File:

PDF, 320 KB

english, 2009

35

Historical Geomorphology and Geoarchaeology in the Southwestern Makgadikgadi Basin, Botswana

David M. Helgren

Journal:

Annals of the Association of American Geographers

Year:

1984

Language:

english

File:

PDF, 1.46 MB

english, 1984

36

[untitled]

Review by: David M. Helgren

Journal:

Annals of the Association of American Geographers

Year:

1981

Language:

english

File:

PDF, 337 KB

english, 1981

37

Livestock, Land Cover, and Environmental History: The Tablelands of New South Wales, Australia, 1820-1920

Karl W. Butzer and David M. Helgren

Journal:

Annals of the Association of American Geographers

Year:

2005

Language:

english

File:

PDF, 6.15 MB

english, 2005

38

[untitled]

Review by: David M. Helgren

Journal:

Annals of the Association of American Geographers

Year:

1984

Language:

english

File:

PDF, 276 KB

english, 1984

39

Book reviews

Helgren, David M.

Journal:

Year:

1983

Language:

english

File:

PDF, 88 KB

english, 1983

40

Alluvial Terraces of the Lower Vaal River, South Africa: A Reappraisal and Reinvestigation: A Reply

Helgren, David M., Butzer, Karl W.

Journal:

The Journal of Geology

Year:

1974

Language:

english

File:

PDF, 430 KB

english, 1974