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REMARKS ON ERRATIC PERIODIC FLUCTUATIONS OF DETACHED CLOSE BINARIES AND THE CONSTANCY OF THE ORBITAL PERIOD OF XY UMA.GEYER EH.1977; ASTROPHYS. SPACE SCI.; NLD; DA. 1977; VOL. 48; NO 1; PP. 137-144; BIBL. 27 REF.Article

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A POLARIMETRIC INVESTIGATION OF THE ECLIPSING BINARY XY URSAE MAJORIS.GEYER EH; METZ K.1977; ASTROPHYS. SPACE SCI.; NETHERL.; DA. 1977; VOL. 52; NO 2; PP. 351-356; BIBL. 8 REF.Article

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ON THE MEMBERSHIP OF THE RRS STAR V65 AND THE EA BINARY V78 IN OMEGA CENTAURI (NGC 5139).GEYER EH; VOGT N.1978; ASTR. AND ASTROPHYS.; DEU; DA. 1978; VOL. 67; NO 2; PP. 297-299; BIBL. 13 REF.Article

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BO AND, A LARGE AMPLITUDE ECLIPSING BINARY.GEYER EH; HANEL A.1978; COMMIS. 27 I.A.U., INFORM. BULL. VAR. STARS; HUN; DA. 1978; NO 1405; PP. (4P.)Serial Issue

NINE NEW VARIABLE STARS IN A FIELD AROUND MU CEP.GEYER EH; GIESEKING F.1975; COMMISS. 27 I.A.U., INFORM. BULL. VAR. STARS; HUNGARY; DA. 1975; NO 967; PP. (2P.)Article

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MAXIMA OF THE RR_S-VARIABLES CY AGR DY HER AND DY PEG.GEYER EH; HOFFMANN M.1974; COMMISS. 27 I.A.U., INFORM. BULL. VAR. STARS; HUNGARY; DA. 1974; NO 936; PP. (1P.)Article

ON THE USE OF A FOCAL-REDUCER SYSTEM FOR SLITLESS FIELDSPECTROSCOPYGEYER EH; HOFFMANN M; NELLES B et al.1979; ASTR. AND ASTROPHYS.; DEU; DA. 1979; VOL. 80; NO 2; PP. 248-252; BIBL. 10 REF.Article

ON THE PERIOD OF EG CEPHEIHOPP U; GEYER EH; LENTES FT et al.1983; INFORMATION BULLETIN ON VARIABLE STARS; ISSN 0374-0676; HUN; DA. 1983; NO 2327; 4 P.; BIBL. 8 REF.Serial Issue

THE VISUAL DOUBLE W UMA BINARY BV AND BW DRACONISGEYER EH; HOFFMANN M; KARIMIE MT et al.1982; ASTRON. ASTROPHYS., SUPPL. SER.; ISSN 0365-0138; DEU; DA. 1982; VOL. 48; NO 1; PP. 85-91; BIBL. 11 REF.Article

A COMPARISON OF THE STAR DENSITY DISTRIBUTION OF "RED" AND "BLUE" GLOBULAR CLUSTERS OF THE LARGE MAGELLANIC CLOUDGEYER EH; HOPP U; KIEHL M et al.1979; ASTR. AND ASTROPHYS.; DEU; DA. 1979; VOL. 77; NO 1-2; PP. 61-65; BIBL. 17 REF.Article