ON SPECIAL FEATURES OF NON-THERMAL SOLAR X RADIATION ABOVE 10 KEVELWERT G; HAUG E.1972; SPACE SCI. REV., NETHERL.; DA. 1972; VOL. 13; NO 4-6; PP. 761-762; BIBL. 1 REF.Serial Issue

HARD X-RAY SPECTRUM OF CYG X-1SUNYAEV RA; TRUEMPER J.1979; NATURE; GBR; DA. 1979; VOL. 279; NO 5713; PP. 506-508; BIBL. 28 REF.Article

A POSSIBLE LINE FEATURE AT 73 KEV FROM THE CRAB NEBULALING JC; MAHONEY WA; WILLETT JB et al.1979; ASTROPHYS. J.; USA; DA. 1979; VOL. 231; NO 3 PART. 1; PP. 896-905; BIBL. 20 REF.Article

NATURE OF HER X-1.WANG YM.1975; NATURE; G.B.; DA. 1975; VOL. 253; NO 5489; PP. 249-250; BIBL. 8 REF.Article

POSSIBLE ASSOCIATION OF A HARD X-RAY SOURCE WITH A COSMIC GAMMA-RAY BURST.BISWAS S; MANCHANDA RX; SREEKANTAN BV et al.1975; ASTROPHYS. SPACE SCI.; NETHERL.; DA. 1975; VOL. 33; NO 2; PP. L15-L18; BIBL. 6 REF.Article

MEASUREMENTS OF THE CRAB NEBULA AND THE PULSAR NP 0532 IN THE HARD X-RAY REGION.ZIMMERMANN HU.1974; ASTR. AND ASTROPHYS.; GERM.; DA. 1974; VOL. 34; NO 2; PP. 305-307; BIBL. 12 REF.Article

HARD COSMIC X-RAY SOURCESPETERSON LE.1973; INTERNATION. ASTR. UN., SYMP.; NETHERL.; DA. 1973; NO 55; PP. 50-73; BIBL. 1P. 1/2Serial Issue

BALLOON OBSERVATIONS OF CELESTIAL X-RAYS. II. HARD X-RAY EMISSION FROM HER X-1.SHARMA DP; JAIN AK; KASTURIRANGAN K et al.sdIN: 13TH INT. COSMIC RAY CONF.; DENVER, COLO.; 1973; DENVER, COLO.; UNIV. DENVER; DA. S.D.; VOL. 1; PP. 67-71; BIBL. 8 REF.Conference Paper

SIZE OF THE HARD X-RAY SOURCE IN THE CRAB NEBULA.FUKADA Y; HAYAKAMA S; KASAHARA I et al.1976; ASTROPHYS. SPACE SCI.; NETHERL.; DA. 1976; VOL. 42; NO 1; PP. 245-248; BIBL. 7 REF.Article

EVIDENCE FOR LONG-PERIOD SPORADIC PULSATIONS IN THE HARD X-RAY FLUX OF CYGNUS X-1.FRONTERA F; FULIGNI F.1975; ASTROPHYS. J.; U.S.A.; DA. 1975; VOL. 198; NO 3 PART. 2; PP. 105-108; BIBL. 5 REF.Article

OBSERVATION OF A HARD X-RAY FLARE IN CYG X-1AGRAWAL PC; GOKHALE GS; IYENGAR VS et al.1972; NATURE PHYS. SCI.; G.B.; DA. 1972; VOL. 238; NO 80; PP. 22-23; BIBL. 10REF.Serial Issue

THE DECAY CHARACTERISTICS OF MODELS OF SOLAR HARD X-RAY BURSTSBROWN JC.1972; SOLAR PHYS.; NETHERL.; DA. 1972; VOL. 25; NO 1; PP. 158-177; BIBL. 28REF.Serial Issue

INTENSITY AND ENERGY SPECTRA OF SEVERAL X-RAY SOURCES IN THE 20-150KEV ENERGY BANDAGARWAL PC; BISWAS S; GOKHALE GS et al.sdIN: COSMIC RAYS. 12TH INT. CONF. HOBART, TASMANIA, AUST., 1971; HOBART, TASMANIA; MERCURY WALCH; DA. S.D.; VOL. 1; PP. 20-25; BIBL. 5REF.Conference Paper

ON POSSIBLE LONG-PERIOD PULSATIONS IN THE HARD X-RAY FLUX OF CYGNUS X - 1FRONTERA F; FULIGNI F.1976; ASTROPHYS. SPACE SCI.; NETHERL.; DA. 1976; VOL. 42; NO 1; PP. 185-188; BIBL. 10 REF.Article

THE HARD X-RAY SPECTRUM OF CYG X-1 DURING THE TRANSITION IN NOVEMBER 1975.SOMMER M; MAURUS H; URBACH R et al.1976; NATURE; G.B.; DA. 1976; VOL. 263; NO 5580; PP. 752-753; BIBL. 4 REF.Article

UCSD OSO-7 OBSERVATIONS OF THE HARD X-RAY SPECTRUM AND VARIABILITY OF CENTAURUS A.MUSHOTZKY RF; BAITY WA; WHEATON WA et al.1976; ASTROPHYS. J.; U.S.A.; DA. 1976; VOL. 206; NO 1 PART. 2; PP. 45-48; BIBL. 18 REF.Article

LA CORRELATION DES POSITIONS DES SOURCES DE RAYONNEMENT X DUR ET DES AMAS GLOBULAIRESBRATOLYUBOVA TSULUKIDZE LS; KUDRYAVTSEV MI; MELIORANSKIJ AS et al.1976; PIS'MA ASTR. ZH.; S.S.S.R.; DA. 1976; VOL. 2; NO 4; PP. 182-186; ABS. ANGL.; BIBL. 12 REF.Article

SEARCH FOR 4.8-HOUR MODULATION OF THE CYG X - 3 INTENSITY IN HARD X-RAYS.FERETTI L; FRONTERA F; FULIGNI F et al.1975; ASTROPHYS. LETTERS; U.S.A.; DA. 1975; VOL. 16; NO 1; PP. 13-15; BIBL. 6 REF.Article

HARD X-RAY OBSERVATIONS OF ELEMENTARY FLARE BURSTS, AND THEIR INTERPRETATION.VAN BEEK HF; DE FEITER LD; DE JAGER C et al.1974; SPACE RES.; NETHERL.; DA. 1974; VOL. 14; PP. 447-452; BIBL. 7 REF.; (OPEN MEET. WORK. GROUPS 16TH PLENARY MEET. COSPAR. PROC.; CONSTANCE; 1973)Conference Paper

RISE TIME IN 20-32 KEV IMPULSIVE X-RADIATION.VORPAHL JA; TAKAKURA T.1974; ASTROPHYS. J.; U.S.A.; DA. 1974; VOL. 191; NO 2 PART. 1; PP. 563-565; BIBL. 13 REF.Article

SURSAUTS SOLAIRES DE RX DURS DU 2 AOUT AU 6 SEPTEMBRE 1972KOVRIZHNYKH OM; KUDRYAVTSEV MI; MELIORANSKIJ AS et al.1974; SOLNECH. DANNYE, BJULL.; S.S.S.R.; DA. 1974; NO 6; PP. 94-98; ABS. ANGL.; BIBL. 4 REF.Article

HARD X-RAY SPECTRUM OF HERCULES X-1MANCHANDA RK; IYENGAR VS; DURGAPRASAD N et al.1973; NATURE PHYS. SCI.; G.B.; DA. 1973; VOL. 244; NO 134; PP. 59-60; BIBL. 5REF.Serial Issue

HARD X-RAY OBSERVATIONS OF HERCULES X-1 BY OSO-7ULMER MP; BAITY WA; WHEATON WA et al.1972; ASTROPHYS. J.; U.S.A.; DA. 1972; VOL. 178; NO 2, PART 2; PP. L61-L64; BIBL. 6REF.Serial Issue

A SIMULATION OF THE DIRECTIVITY EFFECT TO BE EXPECTED IN HARD X-RAY FLARESSHAW ML.1972; SOLAR PHYS.; NETHERL.; DA. 1972; VOL. 27; NO 2; PP. 436-441; BIBL. 14 REF.Serial Issue

GAMMA RAY EMISSIONS FROM MCMATH REGION 11976 DURING AUGUST 1972.CHUPP EL; FORREST DJ; SURI AN et al.sdIN: 13TH INT. COSMIC RAY CONF.; DENVER, COLO.; 1973; DENVER, COLO.; UNIV. DENVER; DA. S.D.; VOL. 2; PP. 1595-1601; BIBL. 7 REF.Conference Paper