000 00307nam a22001097a 4500
000 nam a22 7a 4500
001 105715
020 _a81-239-1032-0
100 _aEhlers,Ernest G.
_960685
245 _aPetrology:igneous sedimentary and metamorphic
260 _bCBS Publishers & Distributors Pvt. Ltd.
_c1987
999 _c105715
_d105715