02a0003802;¥67.00;20011205d1981 ekmy0engy01;eng;a z 000yy;r;Field guides to geology and mineral deposits;Calgary'81 annual meeting;Ed. by R.I. Thompson & D.G. Cook;[S.l.];Geol. Assoc. of Canada;1981;401 p.;a254.1;Thompson ; Cook;R.I. ; D.G.;101;418200;254.1;T37;r¥67.00;a04;b1