TY  - BOOK
AU  - Bernstein,Stephen & Bernstein,Ruth, x
AU  - x
TI  - Schaum's 3000 solved problems in biology: x
SN  - 0070050228
U1  - 574.076/B531s 
PY  - 1988///
CY  - New York, London
PB  - McGraw -Hill
KW  - Biology -Problems, exercises, etc
N1  - x
ER  -