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1

Biological control of invasive alien plants in South Africa: necessity, circumspection, and success

Moran, V Cliff, Hoffmann, John H., Zimmermann, Helmuth G.

Journal:

Frontiers in Ecology and the Environment

Year:

2005

Language:

english

File:

PDF, 673 KB

english, 2005

2

100 years of biological control of invasive alien plants in South Africa: History, practice and achievements

Moran, V. Cliff, Hoffmann, John H., Zimmermann, Helmuth G.

Journal:

South African Journal of Science

Year:

2013

Language:

english

File:

PDF, 163 KB

english, 2013

3

CHANGES IN REPORTED PAIN FROM TENSION HEADACHES

FICHTLER, HELMUTH, ZIMMERMANN, ROBERT R.

Journal:

Perceptual and Motor Skills

Year:

1973

Language:

english

File:

PDF, 45 KB

english, 1973

4

COMPARISON OF SELF-ESTEEM OF PRISON AND NON-PRISON GROUPS

FICHTLER, HELMUTH, ZIMMERMANN, ROBERT R., MOORE, RAY T.

Journal:

Perceptual and Motor Skills

Year:

1973

Language:

english

File:

PDF, 199 KB

english, 1973

5

(E)-2-(1-Aryl-4,5-dihydro-1H-tetrazol-5-yliden)-2-cyanessigsäure-methylester aus 3,3-Diazido-2-cyanacrylsäure-methylester und primären aromatischen Aminen

Prof. Dr. Rolf W. Saalfrank, Michael Fischer, Uwe Wirth, Priv.-Doz. Dr. Helmuth Zimmermann

Journal:

Angewandte Chemie

Year:

1987

File:

PDF, 232 KB

1987

6

Methyl (E)-2-(1-Aryl-4,5-dihydro-1H-tetrazol-5-ylidene)-2-cyanoacetate from Methyl 3,3-Diazido-2-cyanoacrylate and Primary Aromatic Amines

Prof. Dr. Rolf W. Saalfrank, Dipl.-Chem. Michael Fischer, Dipl.-Chem. Uwe Wirth, Priv.-Doz. Dr. Helmuth Zimmermann

Journal:

Angewandte Chemie International Edition

Year:

1987

Language:

english

File:

PDF, 244 KB

english, 1987

7

Geminale Vinyldiazide, IX Oxazole aus 3,3-Diazido-2-cyanacrylsäure-methylester und Aminen

Rolf W. Saalfrank, Erich Ackermann, Michael Fischer, Uwe Wirth, Helmuth Zimmermann

Journal:

European Journal of Inorganic Chemistry

Year:

1990

File:

PDF, 613 KB

1990

8

Chemie polyfunktioneller moleküle: C. synthese und Röntgenstrukturanalyse von dicarbonyl-nitrosyl-(5-diphenylphosphino-uracil) cobalt(—I) ·Methanol(12)

Jochen Ellermann, Eberhard Köck, Helmuth Zimmermann, Martin Gomm

Journal:

Journal of Organometallic Chemistry

Year:

1988

File:

PDF, 662 KB

1988

9

A non-oxidized melampolide and other germacranolides from Aristolochia yunnanensis

Chen Wei Ming, Ralf Mayer, Helmuth Zimmermann, Gerhard Rücker

Journal:

Year:

1989

Language:

english

File:

PDF, 188 KB

english, 1989

10

Nonparametric methods in standard statistics packages: The case of the Friedman analysis

Volker W. Rahlfs, Helmuth Zimmermann

Journal:

Computational Statistics & Data Analysis

Year:

1995

Language:

english

File:

PDF, 586 KB

english, 1995

11

Maternal administration of high dose vitamin D3for cerebral palsy in her child

Bettina Zimmermann, Helmuth-Günther Dörr, Wolfgang Müller, Jörg Dötsch

Journal:

European Journal of Pediatrics

Year:

2004

Language:

english

File:

PDF, 136 KB

english, 2004

12

The prickly pear (Opuntia ficus-indica[Cactaceae]) in South Africa: Utilization of the naturalized weed, and of the cultivated plants

Marc O. Brutsch, Helmuth G. Zimmermann

Journal:

Economic Botany

Year:

1993

Language:

english

File:

PDF, 1.74 MB

english, 1993

13

Rezensionen

Otfried Wagenbreth, Sergio Nobre, H. Remane, Reinhard Mocek, Helmuth Gericke, Rüdiger Thiele, J. Ude, P. Zimmermann, T. Nickol

Journal:

NTM Zeitschrift für Geschichte der Wissenschaften, Technik und Medizin

Year:

1994

Language:

german

File:

PDF, 643 KB

german, 1994

14

Macrophages infiltrating the tissue in chronic pancreatitis express the chemokine receptor CCR5

Helmuth Goecke, Ulf Forssmann, Mariagrazia Uguccioni, Helmut Friess, Jose R. Conejo-Garcia, Arthur Zimmermann, Marco Baggiolini, Markus W. Büchler

Journal:

Year:

2000

Language:

english

File:

PDF, 1.07 MB

english, 2000

15

Structure determination without Fourier inversion. Part I. Unique results for centrosymmetric examples

Fischer, Karl F., Kirfel, Armin, Zimmermann, Helmuth

Journal:

Zeitschrift für Kristallographie

Year:

2005

Language:

english

File:

PDF, 896 KB

english, 2005

16

Particle Entropies and Entropy QuantaII. The Photon Gas

Zimmermann, Helmuth W.

Journal:

Zeitschrift für Physikalische Chemie

Year:

2000

Language:

english

File:

PDF, 140 KB

english, 2000

17

Particle Entropies and Entropy Quanta. I. The Ideal Gas

Zimmermann, Helmuth W.

Journal:

Zeitschrift für Physikalische Chemie

Year:

2000

Language:

english

File:

PDF, 183 KB

english, 2000

18

Structure determination without Fourier inversion. Part II: The use of intensity ratios and inequalities

Kirfel, Armin, Fischer, Karl F., Zimmermann, Helmuth W.

Journal:

Zeitschrift für Kristallographie

Year:

2006

Language:

english

File:

PDF, 8.56 MB

english, 2006

19

On the symmetry of the symmetry minimum function

Zimmermann, Helmuth

Journal:

Zeitschrift für Kristallographie - Crystalline Materials

Year:

1988

Language:

english

File:

PDF, 424 KB

english, 1988

20

Changes and variability of proton density and T1 relaxation times in early multiple sclerosis: MRI markers of neuronal damage in the cerebral cortex

Gracien, René-Maxime, Reitz, Sarah C., Hof, Stephanie Michelle, Fleischer, Vinzenz, Zimmermann, Hilga, Droby, Amgad, Steinmetz, Helmuth, Zipp, Frauke, Deichmann, Ralf, Klein, Johannes C.

Journal:

European Radiology

Year:

2016

Language:

english

File:

PDF, 1.21 MB

english, 2016

21

Funktionsstörung des hypothalamischen Osmorezeptors als Ursache für eine exzessive Hypernatriämie bei einem Mädchen mit Absencenepilepsie

Koch, Andreas, Zant, Michael, Zimmermann, Bernhard, Wenzel, Dieter, Dörr, Helmuth

Journal:

Klinische Pädiatrie

Year:

1998

File:

PDF, 318 KB

1998

22

The Prickly Pear (Opuntia ficus-indica [Cactaceae]) in South Africa: Utilization of the Naturalized Weed, and of the Cultivated Plants

Marc O. Brutsch and Helmuth G. Zimmermann

Journal:

Economic Botany

Year:

1993

Language:

english

File:

PDF, 937 KB

english, 1993

23

Assessment of cortical damage in early multiple sclerosis with quantitative T 2 relaxometry

Gracien, René-Maxime, Reitz, Sarah C., Hof, Stephanie-Michelle, Fleischer, Vinzenz, Zimmermann, Hilga, Droby, Amgad, Steinmetz, Helmuth, Zipp, Frauke, Deichmann, Ralf, Klein, Johannes C.

Journal:

NMR in Biomedicine

Year:

2016

Language:

english

File:

PDF, 1.90 MB

english, 2016

24

Biological Control of Invasive Alien Plants in South Africa: Necessity, Circumspection, and Success

V. Cliff Moran, John H. Hoffmann and Helmuth G. Zimmermann

Journal:

Frontiers in Ecology and the Environment

Year:

2005

Language:

english

File:

PDF, 2.23 MB

english, 2005

25

Renal Pathology After Arterial Yttrium-90 Microsphere Administration in Pigs A Model for Superselective Radioembolization Therapy

ZIMMERMANN, ARTHUR, SCHUBIGER, PIUS A., METTLER, DANIEL, GEIGEEIGER, LIVIA, TRILLER, JRGEN, R??SLER, HELMUTH

Journal:

Investigative Radiology

Year:

1995

File:

PDF, 924 KB

1995

26

Zur Definition des Punktlagen- und Gitterkomplex-Begriffes

Zimmermann, Helmuth, Burzlaff, Hans

Journal:

Zeitschrift für Kristallographie

Year:

1974

Language:

german

File:

PDF, 859 KB

german, 1974

27

Exceptional biological control of two varieties of Cylindropuntia fulgida (Cactaceae) in South Africa using a recently-identified different biotype of the cochineal insect, Dactylopius tomentosus (Dactylopiidae)

Klein, Hildegard, Zimmermann, Helmuth G., Xivuri, Travor

Journal:

Biological Control

Year:

2020

File:

PDF, 409 KB

2020

28

Biocontrol of a pricklyâpear cactus in South Africa: reinterpreting the analogous, renowned case in Australia

Hoffmann, John H., Moran, Vincent C., Zimmermann, Helmuth G., Impson, Fiona A.C.

Journal:

Journal of Applied Ecology

Year:

2020

File:

PDF, 9.90 MB

2020