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082 _a549.125
_bW62
100 _aWINCHELL, ALEXANDER N.
245 0 _aELEMENTS OF MINERALOGY OPTICAL
_bAN INTRODUCTION TO MICROSCOPIC PETROGRAPHY
250 _a4
260 _aNEW YORK-U.S.A.
_bJOHN WILEY Y SONS
_c1951
300 _a551 pag
_c24 cm
341 _h0
490 _v0
_a0
505 _aHALIDES-SULFIDES/OXIDES-CARBONATES
541 _aD
_bBANCO MINERO DEL PERU
_d26-May-94
650 _aCIENCIAS PURAS
856 _zCC. Puras
942 _cLIBRO
999 _c15821
_d15821