000 00315nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _a627.52
_bVAR
100 _aVarshey, RS & Others
245 0 _aTheory design of irrigation structure
260 _bRoorkee: Nem Chand & Bros
_c1977
300 _a812
942 _2ddc
999 _c80726
_d80726