000 00284 a2200097 4500
082 _a552 TYR/Pri
100 _aTyrrell, G. W.
245 _aThe principles of petrology: an introduction to the science of rocks
260 _aDelhi:
_bSurjeet Publications;
_c2013
300 _a349 p.
_c18 cm.
999 _c120418
_d120418