000 00393nam a22001337a 4500
008 130724b xxu||||| |||| 00| 0 eng d
020 _a0412215004
050 _aQE431
_b.T97 1926
100 _aTYRRELL,G.W.
245 _aTHE PRINCIPLES OF PETROLOGY
_cG.W.TYRRELL
260 _aLONDON
_bCHAPMAN AND HALL
_c1926
300 _axii,349.;
_c16cm.
942 _2lcc
_cBK
_hQE431.T97 1926
999 _c90003
_d90003