12

Regio and stereospecific synthesis of 11β substituted 19 norsteroids

Year:
1979
Language:
english
File:
PDF, 163 KB
english, 1979
47

The Lungs of the Larger Cetacea Compared to Those of Smaller Species

Year:
1940
Language:
english
File:
PDF, 1.58 MB
english, 1940