SELF CONSISTENT MODELS FOR THE EMISSIVE REGIONS OF QUASARS AND SEYFERT NUCLEI.COLLIN SOUFFRIN S.1978; PHYS. SCRIPTA; SWE; DA. 1978; VOL. 17; NO 3; PP. 293-300; BIBL. 74 REF.Article

SPECTRES OPTIQUES ET UV DES QUASARS ET DES NOYAUX ACTIFSCOLLIN SOUFFRIN S.1979; ANN. PHYS.; FRA; DA. 1979; VOL. 4; NO 2; PP. 177-180; ABS. ENGConference Paper

SPECTRES DE NOYAUX DE GALAXIES DE SEYFERT ENTRE 8000 ET 11000 A.ANDRILLAT Y; COLLIN SOUFFRIN S.1975; ASTR. AND ASTROPHYS.; GERM.; DA. 1975; VOL. 43; NO 3; PP. 419-422; ABS. ANGL.; BIBL. 9 REF.Article

SECONDARY ELECTRONS AND ENERGY PER ION-PAIR IN A THERMAL GAS FOR ELECTRON PROTON AND X-RAY IONIZATIONBERGERON J; COLLIN SOUFFRIN S.1973; ASTR. AND ASTROPHYS.; GERM.; DA. 1973; VOL. 25; NO 1; PP. 1-8; BIBL. 14REF.Serial Issue

RADIATIVE LOSSES AND GAINS IN HII REGIONS.COLLIN SOUFFRIN S; JOLY M.1977; ASTR. AND ASTROPHYS., SUPPL. SER.; GERM.; DA. 1977; VOL. 27; NO 3; PP. 463-466; BIBL. 12 REF.Article

INTERPRETATION OF THE LINE INTENSITY GRADIENTS ACROSS THE DISKS OF SPIRAL GALAXIES.COLLIN SOUFFRIN S; JOLY M.1976; ASTR. AND ASTROPHYS.; GERM.; DA. 1976; VOL. 53; NO 2; PP. 213-225; BIBL. 43 REF.Article

ABUNDANCES AND PHYSICAL CONDITIONS IN THE NUCLEUS OF THE PECULIAR GALAXY NGC 3310.ANDRILLAT Y; COLLIN SOUFFRIN S.1976; ASTR. AND ASTROPHYS.; GERM.; DA. 1976; VOL. 49; NO 2; PP. 251-257; BIBL. 16 REF.Article

Massive black holes, the X-ray background and the intergalactic mediumCOLLIN-SOUFFRIN, S.Astronomy and astrophysics (Berlin. Print). 1991, Vol 243, Num 1, pp 5-15, issn 0004-6361, 11 p.Article

A DISCUSSION OF THE NEW VARIATIONS OBSERVED IN THE NUCLEUS OF THE SEYFERT GALAXY NGC 3516COLLIN SOUFFRIN S; ALLOIN D; ANDRILLAT Y et al.1973; ASTR. AND ASTROPHYS.; GERM.; DA. 1973; VOL. 22; NO 3; PP. 343-354; BIBL. 20REF.Serial Issue

The low excitation lines in quasars and AGN in the framework of photoionization modelsCOLLIN-SOUFFRIN, S.Astrophysics and space science library. 1986, Vol 121, pp 531-535, issn 0067-0057Article

The energy puzzle of the broad line region in quasarsCOLLIN-SOUFFRIN, S.Astronomy and astrophysics (Berlin. Print). 1986, Vol 166, Num 1-2, pp 115-118, issn 0004-6361Article

LINE INTENSITY DATA COMPILATION FOR A SAMPLE OF H II REGIONSALLOIN D; COLLIN SOUFFRIN S; JOLY M et al.1979; ASTR. AND ASTROPHYS., SUPPL. SER.; DEU; DA. 1979; VOL. 37; NO 2; PP. 361-366; BIBL. 26 REF.Article

HYDROGEN LINE SPECTRUM IN QUASARS. II: A CRITICAL DISCUSSION OF MODEL CALCULATIONS FOR THE BROAD LINE REGIONCOLLIN SOUFFRIN S; DUMONT S; TULLY J et al.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 106; NO 2; PP. 362-374; BIBL. 31 REF.Article

HYDROGEN LINE SPECTRUM IN QUASARS. I: APPROXIMATION PROCEDURES FOR LINE TRANSFER VERSUS AN EXACT TREATMENTCOLLIN SOUFFRIN S; DELACHE P; DUMONT S et al.1981; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1981; VOL. 104; NO 2; PP. 264-275; BIBL. 35 REF.Article

NITROGEN AND OXYGEN ABUNDANCES IN GALAXIESALLOIN D; COLLIN SOUFFRIN S; JOLY M et al.1979; ASTR. AND ASTROPHYS.; DEU; DA. 1979; VOL. 78; NO 2; PP. 200-216; BIBL. 57 REF.Article

The emission spectrum of active galactic nuclei. I: Computational methodsCOLLIN-SOUFFRIN, S; DUMONT, S.Astronomy and astrophysics (Berlin. Print). 1986, Vol 166, Num 1-2, pp 13-26, issn 0004-6361Article

FORMATION OF PERMITTED LINES IN THE SPECTRUM OF TYPE 1 SEYFERT GALAXIES AND QUASARS. II: FE II LINES AND THE LOW EXCITATION REGIONCOLLIN SOUFFRIN S; DUMONT S; HEIDMANN N et al.1980; ASTR. AND ASTROPHYS.; DEU; DA. 1980; VOL. 83; NO 1-2; PP. 190-198; BIBL. 37 REF.Article

Rapid non-LTE calculations of Balmer lines and hydrogen ionization: the solar caseDUMONT, S; COLLIN-SOUFFRIN, S.Astronomy and astrophysics (Berlin. Print). 1985, Vol 144, Num 1, pp 245-248, issn 0004-6361Article

FORMATION OF PERMITTED LINES IN THE SPECTRUM OF TYPE 1 SEYFERT GALAXIES AND QUASARS: FE II LINES, PRELIMINARY DISCUSSIONCOLLIN SOUFFRIN S; JOLY M; HEIDMANN N et al.1979; ASTR. AND ASTROPHYS.; DEU; DA. 1979; VOL. 72; NO 3; PP. 293-308; BIBL. 53 REF.Article

Fitting the broad line spectrum and UV continuum by accretion discs in active galactic nucleiROKAKI, E; BOISSON, C; COLLIN-SOUFFRIN, S et al.Astronomy and astrophysics (Berlin. Print). 1992, Vol 253, Num 1, pp 57-73, issn 0004-6361Article

Line and continuum emission from the outer regions of accretion discs in Active Galactic Nuclei. V: Detailed computational resultsDUMONT, A. M; COLLIN-SOUFFRIN, S.Astronomy & astrophysics. Supplement Series (Print). 1990, Vol 83, Num 1, pp 71-89, issn 0365-0138Article

Thick Compton-heated media: a solution for the Fe II problem in active galactic nuclei?COLLIN-SOUFFRIN, S; HAMEURY, J.-M; JOLY, M et al.Astronomy and astrophysics (Berlin. Print). 1988, Vol 205, Num 1-2, pp 19-25, issn 0004-6361Article

NGC 5548: a perfect laboratory for testing AGN models?ROKAKI, E; COLLIN-SOUFFRIN, S; MAGNAN, C et al.Astronomy and astrophysics (Berlin. Print). 1993, Vol 272, Num 1, pp 8-24, issn 0004-6361Article

Line and continuum emission from the outer regions of accretion discs in active galactic nuclei. IV : Line emissionDUMONT, A. M; COLLIN-SOUFFRIN, S.Astronomy and astrophysics (Berlin. Print). 1990, Vol 229, Num 2, pp 313-328, issn 0004-6361Article

Emission spectra of weakly photoionized media in active nuclei of galaxiesCOLLIN-SOUFFRIN, S; DUMONT, A. M.Astronomy and astrophysics (Berlin. Print). 1989, Vol 213, Num 1-2, pp 29-48, issn 0004-6361Article