TY - BOOK AU - Pečerskij, D. M. AU - Tichonov, L. V. AU - Šaronova, Z. V. TI - Influence of magmatic condition and secondary alterations of volcanic rocks on titanomagnetite properties T2 - Preprint VL - N 8 PY - 1981/// CY - M. KW - Москва KW - Д342.5-443 KW - rubbk N2 - Библиогр.: л. 16-18 ER -