TY  - GEN
AU  - Bernstein, Ruth
AU  - Bernstein, Stephen
TI  - Schaum's solved problems series 3000 solved problems in biology
SN  - 007099157x
U1  - 570 
PY  - 1988///
CY  - New York
PB  - McGraw-Hill 
KW  - BIOLOGY
ER  -