000 00379nam a2200121Ia 4500
008 160607s9999 xx 000 0 und d
100 _aInstitute of Engineers.
_990689
245 _aSeminar on Water Well Drilling in Hard Rock Areas of India held at Karnataka 20 - 21 Oct, 1973
260 _aBangalore
260 _bInstitute of Engineers
260 _c1974
300 _axxx, 244p.
999 _c38774
_d38774