TY  - BOOK
AU  - Bernstein, Ruth
AU  - bernstein, Stephen
TI  - Schaum's Solved Problems Series 3000 Solved problems in biology
SN  - 0070050228
U1  - 574.076 
PY  - 1989///
CY  - New York
PB  - McGraw Hill
KW  - Biology
ER  -