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SOFT X-RAY SOURCES AND THEIR OPTICAL COUNTERPARTS IN THE ERROR BASE OF THE COS-B SOURCE 2CG 135+01CARAVEO PA; BIGNAMI GF; PAUL JA et al.1981; SPACE SCI. REV.; ISSN 0038-6308; NLD; DA. 1981; VOL. 30; NO 1-4; PP. 301-306; BIBL. 13 REF.Conference Paper

THE PERIODIC X-RAY TRANSIENT AO538-66 AND ITS OPTICAL COUNTERPARTSKINNER GK.1981; SPACE SCI. REV.; ISSN 0038-6308; NLD; DA. 1981; VOL. 30; NO 1-4; PP. 441-446; BIBL. 9 REF.Conference Paper

A COMPLETE X-RAY SAMPLE OF THE HIGHT-LATITUDE (!B!>20^O) SKY FROM HEAO 1 A-2: LOG N-LOG S LUMINOSITY FUNCTIONSPICCINOTTI G; MUSHOTZKY RF; BOLDT EA et al.1982; ASTROPHYS. J.; ISSN 0004-637X; USA; DA. 1982; VOL. 253; NO 2; PART. 1; PP. 485-503; BIBL. 1 P.Article

RESULTS OF A RADIO SURVEY FOR NEW COMPACT HII REGIONSWINK JE; ALTENHOFF WJ; MEZGER PG et al.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 108; NO 2; PP. 227-242; BIBL. 35 REF.Article

SPECTROPHOTOMETRY OF AN X-RAY SOURCE NEAR M33CHRISTIAN CA; SCHOMMER RA.1982; ASTROPHYS. J.; ISSN 0004-637X; USA; DA. 1982; VOL. 253; NO 1; PART. 2; PP. 13-15; BIBL. 10 REF.Article

Optical identifications of radio sources with accurate positions using the United Kingdom Schmidt Telescope (UKST) IIIa-J platesSAVAGE, A.Astrophysics and space science. 1986, Vol 119, Num 1, pp 239-242, issn 0004-640XArticle

A catalog of selected compact radio sources for the construction of an extragalactic radio/optical reference frameARGUE, A. N; DE VEGT, C; WALTER, H et al.Astronomy and astrophysics (Berlin. Print). 1984, Vol 130, Num 1, pp 191-199, issn 0004-6361Article

OPTICAL IDENTIFICATIONS OF EXTRAGALACTIC RADIO SOURCESLONGAIR MS.1980; INTERNATION. ASTR. UN., SYMP.; NLD; DA. 1980; NO 92; PP. 135-144; BIBL. 20 REF.Conference Paper

THE PARKES 2700 MHZ SURVEY (FOURTEENTH PART): CATALOGUE AND NEW OPTICAL IDENTIFICATIONSBOLTON YG; SAVAGE A; WRIGHT AE et al.1979; AUSTRAL. J. PHYS.; AUS; DA. 1979; SUPPL. NO 46; PP. 1-17Article

ON THE OPTICAL IDENTIFICATION OF THE RADIO SOURCE CL 4DE VEGT C; GEHLICH UK; PROCHAZKA F et al.1978; ASTR. AND ASTROPHYS.; DEU; DA. 1978; VOL. 70; NO 5; PP. L63-L64; BIBL. 6 REF.Article

THE PRESENT STATUS OF 3CR IDENTIFICATION.KRISTIAN J.1977; INTERNATION. ASTR. UN., SYMP.; NETHERL.; DA. 1977; NO 74; PP. 151-155; BIBL. 5 REF.; (RADIO ASTRON. COSMOL. SYMP.; CAMBRIDGE, ENGL.; 1976)Conference Paper

THE STRUCTURE AND IDENTIFICATION OF 3C 105WILLIS AG; SCHILIZZI RT.1979; ASTR. AND ASTROPHYS.; DEU; DA. 1979; VOL. 71; NO 1-2; PP. 253-254; BIBL. 8 REF.Article

OPTISCH VERAENDERLICHE RADIOQUELLEN IM 5C₃-FELD.RICHTER GA.1978; ASTR. NACHR.; DDR; DA. 1978; VOL. 299; NO 5; PP. 233-238; ABS. ENG; BIBL. 12 REF.Article

SEARCH FOR OPTICAL IDENTIFICATIONS IN THE 5C₃-RADIO SURVEY. II. STATISTICAL TREATMENT AND RESULTS.RICHTER GA.1975; ASTR. NACHR.; DTSCH.; DA. 1975; VOL. 296; NO 2; PP. 65-81; ABS. ALLEM.; BIBL. 12 REF.Article

5 Gigahertz structure and optical identifications of weak extragalactic radio sourcesLAWRENCE, C. R; BENNETT, C. L; HEWITT, J. N et al.The Astrophysical journal. 1984, Vol 278, Num 2, pp L95-L98, issn 0004-637XArticle

The Euclidean slope of the X-ray source counts: a Cosmic conspiracyGIOIA, I; MACCACARO, T.Advances in space research. 1984, Vol 3, Num 10-12, pp 191-194, issn 0273-1177Article

OPTICAL EMISSION IN THE RADIO LOBES OF RADIOGALAXIES. II: NEW OBSERVATIONS OF 21 RADIO LOBESCRANE P; TYSON JA; SASLAW WC et al.1983; ASTROPHYSICAL JOURNAL; ISSN 0004-637X; USA; DA. 1983; VOL. 265; NO 2; PART. 1; PP. 681-700; BIBL. 24 REF.Article

OPTICAL IDENTIFICATION OF THE RADIO SOURCE 0104-408WALTER HG; WEST RM.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 111; NO 2; PP. 357; BIBL. 3 REF.Article

OPTICAL IDENTIFICATION OF A SAMPLE OF 4C SOURCES.PADRIELLI L; CONWAY RG.1977; ASTR. AND ASTROPHYS., SUPPL. SER.; GERM.; DA. 1977; VOL. 27; NO 2; PP. 171-180; BIBL. 20 REF.Article

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RADIO SPECTRA AND OPTICAL IDENTIFICATION OF SOURCES FROM THE MC2 AND MC3 CATALOGUES.MURDOCH HS.1976; ASTR. SOC. AUSTRAL., PROC.; AUSTRAL.; DA. 1976; VOL. 3; NO 1; PP. 85-86; BIBL. 13 REF.; (ASTRON. SOC. AUST. ANNU. GEN. MEET. 10; SYDNEY; 1976)Conference Paper

Optical behaviour of the X-ray source EXO 020528+1454.8 in the season 1986/87GÖTZ, W.Information bulletin on variable stars. 1987, Num 3045, issn 0374-0676, 3 p.Article

Optical identification of a serendipitous infrared sourceCRAINE, E. R; CULVER, R. B; FLEMING, T. A et al.Publications of the Astronomical Society of the Pacific. 1985, Vol 97, Num 590, pp 303-306, issn 0004-6280Article