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FORMATION OF STATIONARY PHASE MONOMOLECULAR LAYER ON SURFACE OF GLC SOLID SUPPORTSNIKOLOV RN.1974; C.R. ACAD. BULG. SCI.; BULG.; DA. 1974; VOL. 27; NO 4; PP. 515-518; BIBL. 6 REF.Article

USE OF HPLC IN FRACTIONATION OF LIGNITE HUMIC SUBSTANCESBALABANOVA RADONOVA EM; STEFANOVA MD; NIKOLOV RN et al.1980; FUEL; GBR; DA. 1980; VOL. 59; NO 4; PP. 271-272; BIBL. 14 REF.Article

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STUDY OF COPOLYMERIZATION OF TRIOXANE AND EPICHLOROHYDRIN BY MEANS OF GAS CHROMATOGRAPHYPAVLOVA MP; NIKOLOV RN; MATEVA RP et al.1974; C.R. ACAD. BULG. SCI.; BULG.; DA. 1974; VOL. 27; NO 7; PP. 937-939; BIBL. 10 REF.Article