000 00320nam a2200109Ia 45e0
008 181001s1992 xx 000 0 und d
100 _aPetl S.
245 0 _aWater engineering and land scape
260 _aNewDelhi
_bC.B.S. pub.
_c1992
300 _a214
942 _2ddc
_cBK
999 _c3877
_d3877