GEOCHEMICAL NATURE OF PETROGRAPHIC COMPONENTS OF COAL AND WAYS OF VANADIUM CONCENTRATION IN THEM = NATURE GEOCHIMIQUE DES COMPOSANTS PETROGRAPHIQUES DU CHARBON ET RELATION AVEC LES CONCENTRATIONS EN VANADIUMUZUNOV J.1980; GEOL. BALC.; ISSN 0324-0894; BGR; DA. 1980; VOL. 10; NO 1; PP. 57-74; H.T. 2; ABS. RUS; BIBL. 2 P.; 3 TAB. ; 2 PLANCH. ; ESQUISSE/TABL./ILL./PL.Article

DISTRIBUTION OF INTERSTITIAL NEMATODES IN THE CAPILLARY HORIZON OF SOME BULGARIAN BLACK SEA BEACHES.UZUNOV J.1977; HIDROBIOLOGIA; ROM; DA. 1977; VOL. 15; PP. 183-191; ABS. RUS; BIBL. 7 REF.Article

ETUDE SUR LES REPRESENTANTS AQUATIQUES DES OLIGOCHETES EN BULGARIEUZUNOV J.1976; KHIDROBIOLOGIJA; BALG.; DA. 1976; VOL. 4; PP. 71-75; ABS. RUSSE ANGL.; BIBL. 1 P.Article

ON THE GEOCHEMISTRY OF VANADIUM IN SOME BULGARIAN COAL DEPOSITS.UZUNOV J.1965; CARPATHO-BALKAN.GEOL.ASS.7TH.CONGR.SUMM.REP.; 1965Miscellaneous

NEW DATA ON INTERSTITIAL NEMATODES FROM BULGARIAN BLACK SEA COAST WITH DESCRIPTION OF CAMACOLAIMUS PONTOLLITORALIS SP.N.UZUNOV J.1977; ACTA ZOOL. BULG.; BULG.; DA. 1977; NO 8; PP. 32-37; ABS. RUSSE; BIBL. 6 REF.Article

STATISTICAL ASSESSMENT OF THE SIGNIFICANCE OF BOTH BOTTOM SUBSTRATA AND SAPROBITY FOR THE DISTRIBUTION OF AQUATIC OLIGOCHAETA IN RIVERSUZUNOV J.1982; LIMNOLOGICA; ISSN 0075-9511; DDR; DA. 1982; VOL. 14; NO 2; PP. 353-361; ABS. GER/RUS; BIBL. 2 P.Article

INFLUENCE DE LA POLLUTION SUR LES OLIGOCHETES DES RIVIERES MESTA ET STRUMAUZUNOV J.1977; KHIDROBIOLOGIJA; BALG.; DA. 1977; VOL. 6; PP. 23-35; ABS. RUSSE ANGL.; BIBL. 17 REF.Article

TWO NEW INTERSTITIAL NEMIC SPECIES FROM BULGARIAN BLACK SEA LITTORALUZUNOV J.1974; C.R. ACAD. BULG. SCI.; BULG.; DA. 1974; VOL. 27; NO 6; PP. 843-845Article

MINERALOGICAL AND GEOCHEMICAL STUDIES OF THE CLAY ROCKS IN THE COAL-BEARING COMPLEX IN THE BOURGAS BASIN.UZUNOV J; KARADZHOVA B.1969; IZVEST. GEOL. INST., GEOKHIM. MINERAL. PETROGR., SOFIJA; BGR; 1969, VOL. 18, P. 87 A 104Miscellaneous

DISTRIBUTION OF THE RARE AND TRACE ELEMENTS IN THE PRODUCING HORIZON OF THE BURGAS COAL BASIN.UZUNOV J; KARADJOVA B.1968; IZVEST. GEOL. INST., GEOKHIM. MINERAL. PETROGR., SOFIJA; BGR; 1968, VOL. 17, P. 21 A 31Miscellaneous

TOXICITE DU PHENOL POUR PLUSIEURS INVERTEBRES D'EAU DOUCEKOVACHEV S; UZUNOV J.1975; KHIDROBIOLOGIJA; BALG.; DA. 1975; NO 1; PP. 65-74; ABS. RUSSE ANGL.; BIBL. 9 REF.Article

Formi na prisystvie na elementi-primesi v cherni shistiBOYADZHIEVA, R; UZUNOV, J.Geohimija, mineralogija i petrologija. 1988, Num 24, pp 3-17, issn 0324-1718Article

VERTRETER DER BULGARISCHEN FLUSSFAUNA ALS LIMNOSAPROBE BIOINDIKATOREN. = LES REPRESENTANTS DE LA FAUNE FLUVIALE DE BULGARIE - BIOINDICATEURS LIMNO-SAPROBIQUESRUSSEV B; KOVATSCHEV S; JANEWA I et al.1976; KHIDROBIOLOGIJA; BALG.; DA. 1976; VOL. 4; PP. 60-66; ABS. RUSSE; BIBL. 11 REF.Article

REPARTITION DES ELEMENTS TRACES DANS LES ROCHES SEDIMENTAIRES DE BULGARIEALEKSIEV E; UZUNOV J; PENCHEVA E et al.sdIN : BULL. 9TH CONGR. CARPATHO-BALK. GEOL. ASSOC.; BUDAPEST; 1969; BUDAPEST AKAD. KIADO ,1973, VOL. 4, P. 5 A 20Miscellaneous

SUBMARINE VALLEYS ON THE WESTERN BLACK SEA BASIN SLOPE = VALLEES SOUSMARINES SUR LA MARGE CONTINENTALE A L'OUEST DE LA MER NOIREKHRISCHEV KH; DIMITROV P; PURLICHEV D et al.1980; GEOL. BALC.; ISSN 0324-0894; BGR; DA. 1980; VOL. 10; NO 3; PP. 109-120; ABS. RUS; BIBL. 1 P.; ESQUISSE/ILL./COLONNE STRATIGR.Article

Der Zustand der benthalen Zoozönosen im bulgarisch-rumänishen Donauabschnitt (Oktober 1986) = State of the benthic zoocoenoses of the bulgarian-rumanian part of DanubeRUSSEV, B. K; UZUNOV, J. I.Hidrobiologiâ (Sofiâ). 1991, Num 37, pp 24-33, issn 0324-0924Article

Effet de quelques facteurs du milieu sur le complexe des oligochètes de la rivière Blagoevgradska BistritsaUZUNOV, J. I; NACHEV, N. K.Hidrobiologiâ (Sofiâ). 1984, Num 21, pp 56-67, issn 0324-0924Article

Indicator value of freshwater OligochaetaUZUNOV, J; KOSEL, V; SLADECEK, V et al.Acta hydrochimica et hydrobiologica. 1988, Vol 16, Num 2, pp 173-186, issn 0323-4320Article