000 00399nam a2200169Ia 4500
008 200208s9999 xx 000 0 und d
020 _a8171690270
082 _a631.7 DHA
100 _a"Dhawan, B. D."
245 0 _aStudies in irrigation and water management
260 _aNew Delhi
260 _bCommonwealth
260 _c1989
300 _a255p.
650 _aIrrigation.
942 _cDB
999 _c166485
_d166485