000 00616nam a2200229Ia 4500
003 OSt
005 20220925221614.0
006 a|||||r|||| 00| 0
007 ta
008 220923b |||||||| |||| 00| 0 eng d
037 _cGeneral Book
040 _aRTL
_cRTL
_beng
041 _2eng
_aeng
082 _aH2, F6
100 _aTyrrell G W
_9286737
245 0 _aPrinciples of pertrology
_b An introduction to the
260 _aLondon
_bMethuen U K
_c1926
300 _axii,349p.
_ccm.
650 _aGeology
_915465
942 _hH2, F6
_cGB
_2CC
999 _c574772
_d574772