AU  - Trehan,Keshav  .
TI  - Biotechnololgy / 
SN  - 81-224-0129-5
U1  - 581.19 
PY  - 1990///
CY  - N.Delhi-110002
PB  - Wiley Eastern Ltd. , 
KW  - Botany
N1  - NULL
ER  -