000
00276nam a2200097Ia 4500
100
_a
Uppal H L
245
_a
Seminar on Irrigation Drainage & Water Logging Problems
260
_b
Irrigation & Power Res Inst, Amritsar
082
_a
D2/N61/B12784
300
_a
pp 70,maps 20; 28*22
999
_c
29286
_d
29286