ON THE AGE OF AKTOVRAK COMPLEX AND ON THE LOST STRATA IN LOWER CAMBRIAN OF TUVA REGION.ZAJKOV VV; ZAJKOVA EV.1969; AKAD. NAUK S.S.S.R., SIB. OTD., GEOL. GEOFIZ ; SUN; 1969(7), NUM. 0007, P. 121 A 125Miscellaneous

VULKANICHESKIE STEKLA VDEVONSKIKH OTLOZHENIYAKH TUVY = VERRES VOLCANIQUES DES DEPOTS DU DEVONIEN DE TOUVAZAJKOVA EV; ZAJKOV VV.1981; SOV. GEOL.; ISSN 0038-5069; SUN; DA. 1981; NO 8; PP. 101-107; BIBL. 5 REF.; 11 ANAL.; 3 TAB. ; ESQUISSE GEOL./COUPE GEOL./TABL./ANAL.Article