A SEARCH FOR ULTRA HIGH-ENERGY GAMMA -RAYS BURSTS FROM CELESTIAL SOURCESBHAT PN; GOPALAKRISHNAN NV; GUPTA SK et al.1980; NATURE; GBR; DA. 1980; VOL. 284; NO 5755; PP. 433-434; BIBL. 10 REF.Article

UPPER LIMIT ON THE EXTRAGALACTIC BACKGROUND LIGHTDUBE RR; WICKES WC; WILKINSON DT et al.1979; ASTROPHYS. J.; USA; DA. 1979; VOL. 232; NO 2 PART. 1; PP. 333-340; BIBL. 37 REF.Article

ON THE COSMOLOGICAL DENSITY OF BLACK HOLES.CARR BJ.1978; COMMENTS ON ASTROPHYS.; GBR; DA. 1978; VOL. 7; NO 5; PP. 161-173; BIBL. 45 REF.Article

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A COSMOLOGICAL UPPER LIMIT ON THE MASS OF HEAVY NEUTRINOSHUT P; OLIVE KA.1979; PHYS. LETT. B; ISSN 0370-2693; NLD; DA. 1979; VOL. 87; NO 1-2; PP. 144-146; BIBL. 13 REF.Article

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THE LOCAL INTERSTELLAR HELIUM DENSITY: CORRECTEDFREEMAN J; PARESCE F; BOWYER S et al.1979; ASTROPHYS. J.; USA; DA. 1979; VOL. 231; NO 1 PART. 2; PP. 37-39; BIBL. 25 REF.Article

A LIMIT TO THE X-RAY LUMINOSITY OF NEAR BY NORMAL GALAXIESWORRALL DM; MARSHALL FE; BOLDT EA et al.1979; NATURE; GBR; DA. 1979; VOL. 281; NO 5727; PP. 127-128; BIBL. 10 REF.Article

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THE OPTICAL ACTIVITY OF INTERGALACTIC SPACECLARKE JN; KARL G; WATSON PJS et al.1982; CANADIAN JOURNAL OF PHYSICS; ISSN 0008-4204; CAN; DA. 1982; VOL. 60; NO 11; PP. 1561-1563; ABS. FRE; BIBL. 10 REF.Article

UPPER BOUNDS TO THE ASYMPTOTIC PERFORMANCE OF BLOCK QUANTIZERSBUCKLEW JA.1981; IEEE TRANS. INF. THEORY; ISSN 0018-9448; USA; DA. 1981; VOL. 27; NO 5; PP. 577-581; BIBL. 11 REF.Article

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THE UPPER MASS LIMIT FOR NEUTRON STARS INCLUDING DIFFERENTIAL ROTATION.HEGYI DJ.1977; ASTROPHYS. J.; U.S.A.; DA. 1977; VOL. 217; NO 1 PART. 1; PP. 244-247; BIBL. 27 REF.Article

LES ESTIMATIONS DES DISTANCES SUPERIEURES ENTRE LES CORPS DANS LE PROBLEME GENERAL DES 3 CORPSGOLUBEV VG.1977; PIS'MA ASTR. ZH.; S.S.S.R.; DA. 1977; VOL. 3; NO 2; PP. 82-85; ABS. ANGL.; BIBL. 4 REF.Article