000 00343nam a2200145Ia 4500
008 170101s1971 xx 000 0 und d
082 _aPJ 550 M28B
100 _aMalakhov, A
245 0 _aBhoo-garabh vigyan
260 _aDelhi
_bNavyug Publishers
_c1971
300 _a19cm; 211
650 _aGEOLOGY
653 _aGEOLOGY
942 _2ddc
_cB
999 _c41729
_d41729