000
00285nam a2200109Ia 45e0
008
181001s1975 xx 000 0 und d
100
_a
Singh B.
245
0
_a
Fundamental of Irrigation Engg.
260
_a
Roorkee
_b
Nem Chand
_c
1975
300
_a
593
942
_2
ddc
_c
BK
999
_c
2800
_d
2800