000			00336nam a2200133Ia 4500
008			211209s1980 xx 000 0 und d
041			_aeng
082			_a550.246 2 N80 SIN
100			_aSINGH P
245			_aENGINEERING AND GENERAL GEOLOGY
250			_a4 ed.
260			_aNEW DELHI _bKATSON PUBLISHING COMPANY _c1980
300			_a536
999			_c18304 _d18304