000 00249nam a22001097a 4500
082 _a552 TYR'P
100 _aTYRRELL, G.N
_978015
245 _aTHE PRINCILES OF PETROLOGY
260 _aLONDON
_bCHAPMAN AND HALL
_c1972
300 _a349P
942 _cBK
999 _c583176
_d583176