A SIMPLE SEMIEMPIRICAL MO-CALCULATIONS OF ELECTRONIC SPECTRA AND CHARGE DISTRIBUTION IN 2,4,6-TRIMETHYL PYRYLIUM CATION.VLAHOVICI N; FRANGOPOL PT.1977; REV. ROUMAINE CHIM.; ROUMAN.; DA. 1977; VOL. 22; NO 9-10; PP. 1379-1384; BIBL. 13 REF.Article

PLANKTONIC PRIMARY PRODUCTIVITY OF THE ROMANIAN SURFACE COASTAL AWATERS (BLACK SEA) IN 1979BOLOGA AS; USURELU M; FRANGOPOL PT et al.1981; OCEANOL. ACTA; ISSN 0399-1784; FRA; DA. 1981; VOL. 4; NO 3; PP. 343-349; ABS. FRE; BIBL. 10 REF.Article

NOUVEAUX ARYL-T-ALKYLNITROXYLESFRANGOPOL PT; FRANGOPOL M; BAJKAN R et al.1975; IZVEST. AKAD. NAUK S.S.S.R., SER. KHIM.; S.S.S.R.; DA. 1975; NO 11; PP. 2506-2510; BIBL. 21 REF.Article

FORMATION OF LONG-LIVED FREE RADICALS FROM ACYLPYRIDINIUM SALTS WITH ALKALIFRANGOPOL M; FRANGOPOL PT; TRICHILO CL et al.1973; J. ORG. CHEM.; U.S.A.; DA. 1973; VOL. 38; NO 13; PP. 2355-2360; BIBL. 18 REF.Serial Issue