SENONIAN MICROPLANKTON,SPORE AND POLLEN OF BAKHARDOK STRATIGRAPHIC BORE-HOLE (TURKMENISTAN).PETROS'JANC MA.1968; BJULL. MOSKOV. OBSHCHEST. ISPYTATELEJ PRIRODY, OTD. GEOL.; SUN; 1968(12), VOL. 43, NUM. 0006, P. 35 A 45Miscellaneous

JURASSIC ROCK STRATA WITHIN THE NORTH-WESTERN AND CENTRAL PARTS IN THE NEAR-DOBRUJA DEPRESSION.PETROS'JANC MA; POKROVSKAJA LV.1968; IZVEST. AKAD. NAUK S.S.S.R., SER. GEOL; SUN; 1968(3), NUM. 0003, P. 121 A 127Miscellaneous

THE NEW DATA ON THE AGE OF THE IRASER SERIE OF THE MALI NIGER SYNECLISE NORTH-WESTERN PART (THE INTERMEDIATE CONTINENTAL STRATA OF THE SOUTHERN SAHARA).TROFIMOV DM; PETROS'JANC MA; KAMLADZE GA et al.1968; VEST. MOSKOV. UNIV., 4; SUN; 1968, NUM. 0004, P. 84 A 88Miscellaneous

FORMATIONS CRETACEES SUPERIEURES ET PALEOGENES DU GRABEN DE GAO (SAHARA SUD).TROFIMOV DM; ARISTOVA KE; PETROS'JANC MA et al.1969; IZVEST. VYSSH. UCHEBN. ZAVED., GEOL. RAZV; SUN; 1969(5), VOL. 12, NUM. 0005, P. 62 A 67Miscellaneous

AGE DE LA SERIE DE TEGAMA DANS LE NORD-OUEST DU SYNECLISE MALI-NIGER (CONTINENTAL INTERCALAIRE DU SAHARA SUD).TROFIMOV DM; PETROS'JANC MA; GERUS EA et al.1969; IZVEST. VYSSH. UCHEBN. ZAVED., GEOL. RAZV; SUN; 1969(5), VOL. 12, NUM. 0005, P. 52 A 61Miscellaneous