TY  - BOOK
AU  - Bernstein,Ruth
AU  - Bernstein,Stephen
TI  - 3000 solved problems in Biology
T2  - Schaum's solved problems series
SN  - 007099157X
U1  - 570.76 
PY  - 1989///
CY  - New York
PB  - McGraw-Hill
ER  -