A THEORETICAL STUDY OF MOLECULAR STRUCTURE IN THE EXCITED STATE AND MOLECULAR LUMINESCENCE. I. AN SCF-CI CALCULATION OF LUMINESCENCE TRANSITIONS AND MOLECULAR STRUCTURE IN EQUILIBRIUM EXCITED STATES OF SOME AROMATIC MOLECULES.FRATEV F; HIEBAUM G; GOCHEV A et al.1974; J. MOLEC. STRUCT.; NETHERL.; DA. 1974; VOL. 23; NO 3; PP. 437-447; BIBL. 39 REF.Article

OXYGEN FLUXES IN WATER BIOTOPES DESCRIBED AS OPEN SYSTEMS.DECHEV G; HIEBAUM G; MATUEEVA E et al.1977; ARCH. HYDROBIOL., SUPPL.; DTSCH.; DA. 1977; VOL. 52; NO 1; PP. 42-53; ABS. ALLEM.; BIBL. 13 REF.Article

Heterotrophic uptake of dissolved organic matter during a bloom of the Peridinea Exuviaella cordataHIEBAUM, G; KARAMFILOV, V.Science of the total environment. 1992, pp 973-978, issn 0048-9697, SUPConference Paper