TY  - BOOK
AU  - Bernstein, Ruth and Bernstein, Stephen
TI  - 3000 solved problems in biology: : schaum's solved problems series
SN  - 0070050228
U1  - 574 
PY  - 1989///
CY  - New York
PB  - ;  Mcgraw-Hill Book
KW  - Biology
ER  -