000 002560000a22001210004500
245 _aPetroleum geology
100 _aTiratsoo, E.N.
260 _aLondon
_bMethuen & Co.
_c1951
300 _a449 p.
080 _a553.982
_bT5
041 _aEN
942 _cBK
999 _c93700
_d93700