4

The Jurassic-Cretaceous boundary in Northern Canada

Year:
1967
Language:
english
File:
PDF, 1.64 MB
english, 1967
8

The Microspore Genus Cingulatisporites Thomson, 1953

Year:
1961
Language:
english
File:
PDF, 214 KB
english, 1961
10

Scales for Making Direct Measurements from Photomicrographs

Year:
1959
Language:
english
File:
PDF, 292 KB
english, 1959
11

Zon alapollenites Pflug 1953 and Related Genera

Year:
1968
Language:
english
File:
PDF, 118 KB
english, 1968
13

Radial through rotated symmetry of striate pollen of the Acanthaceae

Year:
1986
Language:
english
File:
PDF, 1.58 MB
english, 1986