au.\*:("SOBEV D")
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DETERMINING THE VARIABILITY OF THE MINERALIZATION AND THE PERMISSIBLE INTERVAL OF SLAMPING OF THE ORE-BEARING ZONE 2 IN THE GOVEDARNIKA POLYMETAL DEPOSIT.DIMITROV R; SOBEV D.1969; SPIS. BALG. GEOL. DRUZH.; BGR; 1969, VOL. 30, NUM. 001 , P. 39 A 46Miscellaneous
