TY  - BOOK
AU  - Chhatwal,G.R., x
AU  - x
TI  - Textbook of biotechnology: x
SN  - 8174880003
U1  - 620.8/C492t 
PY  - 1998///
CY  - New Delhi
PB  - Anmol Pub.
KW  - Human engineering
N1  - x
ER  -