000 00264nam a22001097a 4500
999 _c338888
_d338888
020 _a8123910320
082 _a552.1
_bEHL.P
100 _aErnest G.Ehlers
245 _aPetrology
_bIgneous,Sedimentary,and Metamorphic
260 _aNewDelhi
_bCBS
_c1982
942 _cBK