TY  - BOOK
AU  - Bernstein,Ruth
AU  - Berstein,Stephen  .
TI  - 3000 solved problems in biology / 
SN  - 0070589488
U1  - 570 
PY  - 2004///
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing , 
KW  - BIOLOGY
N1  - NULL
ER  -