00429nam a2200157Ia 4500008004100000082001600041100001600057245003500073260004900108300000800157650001800165650004200183653001400225700001600239700001600255170901s1984    xx            000 0 und d  a552.1bH41P  aHatch, F.H. 0aPetrology of the Igneous Rocks  aDelhibCBS Publishers and Distributorsc1984  a546  aPure Sciences  aScience of the earth and other worlds  aPetrology  aWells, A.K.  aWells, M.K.