000
00269nam a22001217a 4500
020
_a
8127224596
082
_a
631.6
100
_a
Lenka, D.
245
_a
Irrigation and Drainage
250
_a
3 rd
260
_a
Ludhiana
_b
Kalyani Publishers
_c
1991
300
_a
327 pp
999
_c
88249
_d
88249