000 00269nam a2200121Ia 4500
008 211209s1978 xx 000 0 und d
041 _aeng
082 _a627.17 N78 GAR
100 _aGARG S P
245 _aGROUN WATER AND TUBE WELLS
260 _c1978
300 _a232
999 _c11799
_d11799