TY  - BOOK
AU  - Gurmit Singh
TI  - Role of extended photoperiod in bio-oxygenation and productivity of fish ponds
U1  - T 597.018.23 G96R 
PY  - 2006///
CY  - Ludhiana
PB  - P. A. U.
KW  - FISHES - EFFECT ON
KW  - FISHES - PHYSIOLOGY
KW  - FISHES EFFECT OF WATER QUALITY ON
ER  -