000 00300nam a22001217a 4500
041 _aeng
082 0 _a552
100 1 _aZubkov, V.
245 1 0 _aGeneral petrography :
_ba short course
_cV.Zubkov
260 _aMoscow :
_bMir Publishers,
_c1967.
300 _a227p. ill. ;
_c23 cm.
650 4 _aPetrology
999 _c413170
_d413105