000 00308nam a2200133Ia 4500
008 200906s9999 xx 000 0 und d
082 _a549.125 W759
100 _aWINCHELL.A.N
245 0 _aELEMENTS OF OPTICAL MINERALOGY
250 _a3
260 _bWILEY, NEW YORK
_c1968
300 _a552
942 _cBK
999 _c61254
_d61254