TY  - BOOK
AU  - Chopra, V.L.
TI  - Genetic engineering and biotechnology: concepts, methods and application: V.L. Chopra
SN  - 81-204-0495-5.
U1  - 575.10724, 
PY  - 1990///
CY  - New Delhi
PB  - Oxford and IBH Publishing Co.
ER  -