TY  - BOOK
AU  - Behnke, J.A.
TI  - Challenging biological problems direction towords their solution: J.A. Behnke
U1  - 574, 
PY  - 1972///
CY  - New York
PB  - Oxford University Press
KW  - Life sciences Biology
N1  - (The American Institute of biological sciences)
ER  -