000 00302 a2200121 4500
080 _a55
_bO 13 F
245 1 _aFundamentals of geology
_bPopular outline
_cby V. Obruchev
260 _aMoscow
_bForeign Languages Pub.
650 _aGeology
100 1 _aObruchev, V.
_d
300 _a370 p.
901 _a84158
999 _c31062
_d31062