000			00459nam a2200169Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0-07-100902-7
082			_a550.2 _bOJA
100			_aOjakangas, Richard W. _916086
245			_aTheory and problems of introductory geology
260			_bMcGraw hill, _c1991. _aNew York :
300			_avii,294p.; _c27cm
650			_aEarth Sciences
650		0	_aGeology _914017
942			_2ddc _cLM
999			_c82799 _d82799