TY  - BOOK
ED  - American Institute of Biological Sciences.
TI  - Challenging biological problems: directions toward their solution 
SN  - 019501619X (cased)
PY  - 1972///
CY  - New York
PB  - Oxford University Press
KW  - Biology
KW  - Social aspects
N1  - The American Institute of Biological Sciences; Includes bibliographical references
ER  -