000 00291 a2200121 4500
080 _a552
_bH 469 M
245 1 _aMicroscopic petrography
_cby E.W. Heinrich
260 _aNew York
_c1956
650 _aMicroscopic Petrography
100 1 _aHeinrich, E.W.
_d
300 _a296 p.
901 _a66781
999 _c30239
_d30239