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RECHERCHE DES VARIATIONS LUMINEUSES PERIODIQUES ULTRACOURTES DES ETOILES DANS LA REGION DE CYG X-1ABRAMENKO AN; GOLLANDSKIJ OP; PROKOF'EVA VV et al.1972; ASTR. CIRK., IZDAV. BJURO ASTR. SOOBSHCH. AKAD. NAUK S.S.S.R.; S.S.S.R.; DA. 1972; NO 708; PP. 6-8; BIBL. 5REF.Serial Issue

DISTANCE TO CYGNUS X-1.CHUNG CHIEH CHENG; PHILLIPS KJH; WILSON AM et al.1974; NATURE; G.B.; DA. 1974; VOL. 251; NO 5476; PP. 589-590; BIBL. 8 REF.Article

BLUE BAND PHOTOMETRY OF CYGNUS X-1 DURING 1973.WALKER EN; QUINTANILLA AR.1974; MONTH. NOT. R. ASTR. SOC.; G.B.; DA. 1974; VOL. 169; NO 2; PP. 247-255; BIBL. 15 REF.Article

B AND V PHOTOMETRY OF CYGNUS X-1WALKER EN.1972; MONTH. NOT. R. ASTR. SOC.; G.B.; DA. 1972; VOL. 160; NO 1; PP. 9P-12P; BIBL. 6 REF.Serial Issue

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POSSIBLE 39 RD POLARISATION PERIOD IN CYG X-1MILGROM M; SHAHAM J.1977; NATURE; G.B.; DA. 1977; VOL. 270; NO 5634; PP. 228-229; BIBL. 15 REF.Article

THE 39-D PERIOD IN CYG X-1.WALKER EN; WATSON MG; HOLT SS et al.1977; NATURE; G.B.; DA. 1977; VOL. 270; NO 5634; PP. 229-230; BIBL. 15 REF.Article

RECHERCHE DES TROUS NOIRSTORN K.1976; USP. FIZ. NAUK; S.S.S.R.; DA. 1976; VOL. 118; NO 3; PP. 453-471; BIBL. 3 REF.Article

MASS OF CYGNUS X-1.PACZYNSKI B.1974; ASTR. AND ASTROPHYS.; GERM.; DA. 1974; VOL. 34; NO 1; PP. 161-162; BIBL. 9 REF.Article

X-RAY SPECTRA OF DISCRETE SOURCES IN CYGNUSBLEACH RD; BOLDT EA; HOLT SS et al.1972; ASTROPHYS. J.; U.S.A.; DA. 1972; VOL. 171; NO 1, PART 1; PP. 51-54; BIBL. 11REF.Serial Issue

The high-energy spectrum of Cygnus X-1 revisitedHAARDT, F; DONE, C; MATT, G et al.The Astrophysical journal. 1993, Vol 411, Num 2, pp L95-L98, issn 0004-637X, 2Article

A COMPTON-COOLED FEEDBACK MECHANISM FOR CYGNUS X-1GUILBERT PW; FABIAN AC.1982; NATURE (LOND.); ISSN 0028-0836; GBR; DA. 1982; VOL. 296; NO 5854; PP. 226-228; BIBL. 12 REF.Article

RADIO OBSERVATIONS OF CYG X-1 DURING THE 1977 CAMPAIGNWOODSWORTH AW; HIGGS LA; GREGORY PC et al.1980; ASTR. AND ASTROPHYS.; DEU; DA. 1980; VOL. 84; NO 3; PP. 379-382; BIBL. 10 REF.Article

INTENSITY TRANSITIONS IN CYG XR-1 OBSERVED AT HIGH ENERGIES FROM OSO 8.DOLAN JF; CRANNELL CJ; DENNIS BR et al.1977; NATURE; G.B.; DA. 1977; VOL. 267; NO 5614; PP. 813-815; BIBL. 15 REF.Article

SEARCH FOR X-RAY POLARIZATION IN CYGNUS X-1.WEISSKOPF MC; SILVER EH; KESTENBAUM HL et al.1977; ASTROPHYS. J.; U.S.A.; DA. 1977; VOL. 215; NO 2 PART. 2; PP. L65-L68; BIBL. 21 REF.Article

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CYGNUS X-1: DISCOVERY OF VARIABLE CIRCULAR POLARIZATION.MICHALSKY JJ; SWEDLUND JB; STOKES RA et al.1975; ASTROPHYS. J.; U.S.A.; DA. 1975; VOL. 198; NO 3 PART. 2; PP. 101-104; BIBL. 19 REF.Article

OBSERVATIONS OF CIRCULAR POLARIZATION IN V 1357 CYG=CYG X-1.SHULOV OS.1975; INTERNATION. ASTR. UN., SYMP.; NETHERL.; DA. 1975; NO 67; PP. 483-484; BIBL. 3 REF.; (VARIABLE STARS STELLAR EVOL. SYMP.; MOSCOW, U.S.S.R.; 1974)Conference Paper

ANOTHER MAJOR CHANGE IN THE RADIO SOURCE ASSOCIATED WITH CYG X-1.HJELLMING RM; GIBSON DM; OWEN FN et al.1975; NATURE; G.B.; DA. 1975; VOL. 256; NO 5513; PP. 111-112; BIBL. 9 REF.Article

OBSERVATION OF AN ABSORPTION DIP IN THE X-RAY INTENSITY OF CYGNUS X-1.FUK KWOK LI; CLARK GW.1974; ASTROPHYS. J.; U.S.A.; DA. 1974; VOL. 191; NO 1 PART. 2; PP. 27-29; BIBL. 5 REF.Article

SOFT X-RAYS FROM CYGNUS X-2 AND FROM CYGNUS X-1 (IN ECLIPSE.)STEVENS JC; GARMIRE GP; RIEGLER GR et al.1972; ASTROPHYS. J.; U.S.A.; DA. 1972; VOL. 175; NO 2, PART 2; PP. 73-77; BIBL. 18 REF.Serial Issue

SHORT PERIOD VARIATIONS IN THE INTENSITY AND ENERGY SPECTRUM OF CYG X-1AGARWAL PC; GOKHALE GS; IYENGAR VS et al.sdIN: COSMIC RAYS. 12TH INT. CONF. HOBART, TASMANIA, AUST., 1971; HOBART, TASMANIA; MERCURY WALCH; DA. S.D.; VOL. 1; PP. 26-29; BIBL. 3REF.Conference Paper

BALLOON OBSERVATIONS OF CELESTIAL X-RAYS. I. X-RAY EMISSION FROM CYG X-1 AT ENERGIES GREATER THAN 20 KEV.JAIN AM; JAYANTHI UR; SHARMA DP et al.sdIN: 13TH INT. COSMIC RAY CONF.; DENVER, COLO.; 1973; DENVER, COLO.; UNIV. DENVER; DA. S.D.; VOL. 1; PP. 61-66; BIBL. 8 REF.Conference Paper

OPTICAL PHOTOMETRY OF CYGNUS X-1: 1972-1976.WALKER EN; QUINTANILLA AR.1978; MONTH. NOT. R. ASTR. SOC.; G.B.; DA. 1978; VOL. 182; NO 2; PP. 315-329; BIBL. 24 REF.Article