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au.\*:("KOVATCHEVA T")

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FORAMINIFEREN DER URGON-ABLAGERUNGEN IN BULGARIEN UND IHR STRATIGRAPHISCHER WERT = FORAMINIFERES DES SEDIMENTS URGONIENS EN BULGARIE ET LEUR IMPORTANCE STRATIGRAPHIQUEKOVATCHEVA T.1979; GEOBIOS, MEM. SPEC.; FRA; DA. 1979; NO 3; PP. 183-191; ABS. ENG; BIBL. 18 REF.; 1 TAB. ; ESQUISSE/TABL./ILL.Article

BARREMIAN AND APTIAN FORAMINIFERA NEAR MALKA-GELEZNA AND BULGARSKY-IZVOR VILLAGES (DISTRICT OF LOVETCH).KOVATCHEVA T.1968; IZVEST. GEOL. INST., PALEONTOL., SOFIJA; BGR; 1968, VOL. 17, P. 5 A 35Miscellaneous

ETUDE DU COMPORTEMENT DE LA PHASE VITREUSE AU COURS DU FRITTAGE D'UN MATERIAU COMPOSITE DE "VERRE-CORINDON"KOVATCHEVA T.1974; ; S.L.; DA. 1974; PP. 1-5; DU BULG.: STROITELNI MATERIALI I SILIKATNA PROMISHLENOST, 1973; NO 11Miscellaneous

A COMPARISON OF APTIAN FORAMINIFERA IN BULGARIA AND NORTH WEST GERMANY = COMPARAISON ENTRE LES FORAMINIFERA DE L'APTIEN DE BULGARIE ET CEUX DU NORD-OUEST DE L'ALLEMAGNEBARTENSTEIN H; KOVATCHEVA T.1982; ECLOGAE GEOLOGICAE HELVETIAE; ISSN 0012-9402; CHE; DA. 1982; VOL. 75; NO 3; PP. 621-667; ABS. GER; BIBL. 3 P.; 5 PLANCH. ; ILL./PL.Article

Zonation of the Albian stage in North Bulgaria based on benthic foraminifersKOVATCHEVA, T.Geologica balcanica. 1991, Vol 21, Num 1, pp 13-27, issn 0324-0894Article

FORAMIFEREN DES BULGARISCHEN BARREME. EIN BEITRAG ZUR WELTWEITEN UNTERKREIDE-STRATIGRAPHIE. = FORAMINIFERA DU BARREMIEN DE BULGARIE.BARTENSTEIN H; BETTENSTAEDT F; KOVATCHEVA T et al.1971; NEU. JB. GEOL. PALAEONTOL., ABH.; DEU; 1971, VOL. 139, NUM. 0002, P. 125 A 162Miscellaneous

FORAMIFEREN DES BULGARISCHEN BARREME. EIN BEITRAG ZUR WELTWEITEN UNTERKREIDE-STRATIGRAPHIE. = FORAMINIFERA DU BARREMIEN DE BULGARIE.BARTENSTEIN H; BETTENSTAEDT F; KOVATCHEVA T et al.1971; NEU. JB. GEOL. PALAEONTOL., ABH.; DEU; 1971, VOL. 139, NUM. 0002, P. 125 A 162Miscellaneous

NEW DATA ON THE STRATIGRAPHY OF THE BRESTNICA FORMATION (N. W. BULGARIA).BALAKOVA D; DODEKOVA L; KOVATCHEVA T et al.1976; C.R. ACAD. BULG. SCI.; BULG.; DA. 1976; VOL. 29; NO 9; PP. 1321-1324; BIBL. 12 REF.; 2 ILL.Article

Stratigrafiya na dolnata kreda v Strazhenskata sinklinala (Tsentralen Predbalkan)PIMPIREV, H; KOVATCHEVA, T.Paleontologiâ, stratigrafiâ i litologiâ. 1985, Vol 21, pp 63-75, issn 0204-7217Article

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