000 00405 a2200145 4500
080 _a552.12
_bW 759 E
245 1 _aElements of optical mineralogy
_bAn introduction to microscopic petrography
_cby A.N. Winchell
250 _a5th edn.
260 _aNew York
_c1958
650 _aOptical Mineralogy
650 _aMicroscopic Petrography
100 1 _aWinchell, A.N.
_d
300 _a263 p.
901 _a67406
999 _c30252
_d30252