TY  - BOOK
AU  - x, x
AU  - Chhatwal,G.R.
TI  - Encyclopaedia of biotechnolgy: x
SN  - 8170417236 (Set)
U1  - R620.803/E56 
PY  - 1993///
CY  - New Delhi
PB  - Anmol Pub.
KW  - Human engineering - Encyclopaedia
N1  - x
ER  -