000 00264nam a2200109Ia 4500
999 _c19013
_d19013
100 _aParbin Singh.
245 2 _aText Book of Engineering and General Geology
250 _a4
260 _c1987
_bKATSON PUB: HOUSE
_aLudhiana
300 _axi+488+37+vii
942 _cBB