PUCPR Search for 'an:62447'

The American Arbacia and other sea urchins.

By Harvey, Ethel Nicholson Browne.
Princeton Princeton University Press 1956 .
xiv, 298 p. 25 cm..

New paths in biology.

By Portmann, Adolf.
New York Harper & Row 1964 .
xviii, 170 p.

Biological research method a practical statistics for non-mathematicians

By Holman, H. H..
New York | Edinburgh Hafner Pub. Co. | Oliver & Boyd 1969 .
viii, 272 p. 0050016741

Models and analogues in biology.

New York Published for the Company of Biologists on behalf of the Society for Experimental Biology [by] Academic Press 1960 .
vi, 255 p. , "Papers read at a symposium of the Society for Experimental Biology ... held at the University of Bristol in September 1959."--Dust jacket.

The Chick embryo in biological research

New York The Academy 1952 .
37-344 p. , Cover title. | "The result of a conference ... held by the Section of Biology of the New York Academy of Sciences, December 7 and 8, 1951." 23 cm..

Studies on the freshwater plankton of Puerto Rico

By Candelas Reyes, Gustavo Antonio..
Ann Arbor, Mich. University Microfilms 1973 .
129 p. , "Authorized facsimile of the author thesis submitted to the Graduate Faculty of the University of Minnesota.