000 00310nam a2200121Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a550.246 SIN/PAR
100 _aSINGH
245 _aTEXT BOOK OF ENGINEERING AND GENERAL GEOLOGY
260 _bKATSON PUBLISHING HOUSE
_c1980
300 _a540
999 _c18253
_d18253