00413nam a2200133Ia 4500008004100000020001500041040003800056100002800094245008600122250000800208260002300216300001700239653002300256220101s9999    xx            000 0 und d  a9067642460  cJayakar Knowledge Resource Centre  aIgneous petrology V 015 0aIgneous petrology V 015: proceedings of the 30th internaional geological congress  a1st  bVSPaUtrechtc1997  avii, 213p p.  aGeology-congresses