000 00356nam a2200145Ia 4500
999 _c172029
_d172029
020 _a0070342180
040 _cCUS
082 _a549.125
_bKER/O
100 _aPaul F.Kerr
245 0 _aOptical mineralogy/
_cKerr, Paul F.
250 _a4th.ed.
260 _aNew York:
_bMcgroe hill comp.
_c1977.
300 _a492 p.
650 _aOptical mineralogy
_xMineralogy, Determinative
942 _cWB16