000			00342nam a2200145Ia 4500
008			180710s9999 xx 000 0 und d
020			_a74326
082			_a551.9 _bMAS
100			_aMASON, Brian
245			_aPrinciples of geochemistry
250			_a2nd ed.
260			_aNew york _bJohn Wiley Sons _c1958
300			_a310 p.
942			_cS
999			_c75470 _d75470