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EXTRACTION OF PHOSPHOROTUNGSTENVANADIUM COMPLEXES WITH DI-(2-ETHYLHEXYL)-AMINE.IVANOV NA; TODOROVA NG.1978; C.R. ACAD. BULG. SCI.; BULG.; DA. 1978; VOL. 31; NO 1; PP. 77-80; BIBL. 10 REF.Article

EXTRACTION DE L'ACIDE SILICOMOLYBDIQUE PAR LA DI(ETHYL-2 HEXYL) AMINE DANS LE DICHLORO-1,2 ETHANEIVANOV NA; TODOROVA NG.1977; C.R. ACAD. BULG. SCI.; BULG.; DA. 1977; VOL. 30; NO 2; PP. 261-264; BIBL. 10 REF.Article

MAGNETISME DES BAUXITES ROUGES DU DEVONIEN DE L'OURAL EN RELATION AVEC LA GENESE DE L'HEMATITESVYAZHINA IA; IVANOV NA.1975; TRUDY INST. GEOL. GEOKHIM., SVERDLOVSK; S.S.S.R.; DA. 1975; NO 116; PP. 197-201; BIBL. 6 REF.; 1 ILL.Article

DETERMINATION OF PENICILLINASE ACTIVITY AND ITS RELATION TO OTHER PROPERTIES OF STAPHYLOCOCCIIVANOV NA; DANILOVA EG.1982; ANTIBIOTIKI; ISSN 0003-5637; SUN; DA. 1982; VOL. 27; NO 9; PP. 34-38; ABS. ENG; BIBL. 13 REF.Article

PHOSPHORUS DETERMINATION IN METALS AND ALLOYS BY EXTRACTING PHOSPHOROMOLYBDENOVANADIUM COMPLEXES WITH HIGH MOLECULAR AMINES = DOSAGE DU PHOSPHORE DANS LES METAUX ET ALLIAGES PAR EXTRACTION DE COMPLEXES DE PHOSPHOMOLYBDENOVANADIUM AU MOYEN D'AMINES A HAUTE MASSE MOLECULAIREIVANOV NA; RADEVA ML.1979; C.R. ACAD. BULG. SCI.; BGR; DA. 1979; VOL. 32; NO 4; PP. 481-484; BIBL. 8 REF.Article

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DYNAMIC REMANENCE AND THE EFFECT OF SHOCK ON THE REMANENCE OF STRONGLY MAGNETIC ROCKS.SHAPIRO VA; IVANOV NA.1967; DOKL. EARTH SCI. SECT.; USA; 1967(4), VOL. 173, P. 6 A 8Miscellaneous