000			00309nam a2200133 a 4500
005			20151028162110.0
008			960221s1955 dcuabcdjdbkoqu001 0deng d
082			_a552 _bK2;1
100			_aBarth, Tom F W _919367
245			_aTheoretical petrology _b2nd ed.
942			_cBK
942			_cBK
003			ViArRB
999			_c75053 _d75053