000 00255nam a22000977a 4500
999 _c338978
_d338978
082 _a552.5
_bTYR.P
100 _aG.W. Tyrrell
245 _aPrinciples of Petrology
_bAn Introduction to the Science of Rocks
260 _aNewDelhi
_bSurjeet
_c2011
942 _cBK