A DISCUSSION ON VBLU W PHOTOMETRY OF THE X-RAY BINARY HD 77581 (=VELA X-1=3 U 0900-40) AND ON THE OVERLUMINOSITY OF THE PRIMARIES IN X-RAY BINARIES. THE OPTICAL MICRO VARIABILITY OF THE HOT SUPERGIANT PRIMARIES HD 77581 AND HD 153919VAN GENDEREN AM.1981; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1981; VOL. 96; NO 1-2; PP. 82-90; BIBL. 43 REF.Article

FIVE-COLOUR PHOTOMETRY OF HENIZE 787 AND HENIZE 788=WRAY 977, THE PROBABLE COUNTERPART OF THE X-RAY SOURCE 3U 1223-62.VAN GENDEREN AM.1977; ASTR. AND ASTROPHYS.; GERM.; DA. 1977; VOL. 54; NO 3; PP. 733-735; BIBL. 14 REF.Article

FIVE-COLOUR PHOTOMETRY OF THE X-RAY BINARY HD 153919 (3U 1700-37).VAN GENDEREN AM.1977; ASTR. AND ASTROPHYS.; GERM.; DA. 1977; VOL. 54; NO 3; PP. 683-687; BIBL. 25 REF.Article

A DISCUSSION ON FIVE-COLOUR OBSERVATIONS OF SMC CEPHEIDS AND THE INTRINSIC DIFFERENCES WITH GALACTIC CEPHEIDS. THE DUST CONTENT OF THE SMC.VAN GENDEREN AM.1977; ASTR. AND ASTROPHYS.; GERM.; DA. 1977; VOL. 54; NO 3; PP. 737-750; BIBL. 57 REF.Article

THE RED IRREGULAR VARIABLE LV 60 IN THE DIRECTION OF THE SMC.VAN GENDEREN AM.1976; ASTR. AND ASTROPHYS.; GERM.; DA. 1976; VOL. 46; NO 2; PP. 185-187; BIBL. 7 REF.Article

ON THE AMPLITUDES OF POPULATION I CEPHEIDS IN THE GALAXY AND M 31.VAN GENDEREN AM.1974; ASTR. AND ASTROPHYS.; GERM.; DA. 1974; VOL. 34; NO 2; PP. 279-284; BIBL. 35 REF.Article

THE ZONE OF AVOIDANCE IN THE PERIOD-AMPLITUDE DIAGRAM OF THE LMC CEPHEIDSVAN GENDEREN AM.1973; ASTR. AND ASTROPHYS.; GERM.; DA. 1973; VOL. 23; NO 1; PP. 153; BIBL. 3REF.Serial Issue

THE INTRINSIC PROPERTIES OF 29 CEPHEIDS IN THE MAGELLANIC CLOUDSVAN GENDEREN AM.1983; ASTRONOMY AND ASTROPHYSICS; ISSN 0004-6361; DEU; DA. 1983; VOL. 124; NO 2; PP. 223-235; BIBL. 37 REF.Article

ON THE NATURE OF THE TWO SUPERGIANT COMPONENTS IN THE SYSTEM OF V 810 CEN=HR 4511=HD 101947VAN GENDEREN AM.1981; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1981; VOL. 100; NO 1; PP. 175-177; BIBL. 15 REF.Article

LONG TIME BASELINE VBLUW PHOTOMETRY OF FOUR OF THE MOST LUMINOUS LMC SUPERGIANTS HD 33579, HD 35343=SDOR, HDE 268757 AND HDE 269006 (II)VAN GENDEREN AM.1979; ASTR. AND ASTROPHYS., SUPPL. SER.; DEU; DA. 1979; VOL. 38; NO 3; PP. 381-400; BIBL. 73 REF.Article

A PROGRESSION IN THE CHARACTERISTICS OF THE PERIOD-AMPLITUDE DIAGRAMS FOR CEPHEIDS IN DIFFERENT GALAXIES.VAN GENDEREN AM.1978; ASTR. AND ASTROPHYS.; GERM.; DA. 1978; VOL. 65; NO 1; PP. 147-149; BIBL. 35 REF.Article

PHOTOMETRY OF THE BE STAR WRAY 795 AND SOME OTHER STARS IN THE CEN X-3 AREA.VAN GENDEREN AM.1975; ASTR. AND ASTROPHYS.; GERM.; DA. 1975; VOL. 45; NO 2; PP. 425-427; BIBL. 14 REF.Article

FIVE-COLOUR OBSERVATIONS OF THE SHORT-PERIOD PULSATING STAR DELTA DELVAN GENDEREN AM.1973; ASTR. AND ASTROPHYS., SUPPL. SER.,; GERM.; DA. 1973; VOL. 9; NO 2; PP. 149-156; BIBL. 11REF.Serial Issue

FURTHER VBLUW PHOTOMETRY OF THE S DORADUS TYPE VARIABLES S DOR AND HDE 269006 IN THE LMC AND A DISCUSSION ON THEIR TEMPERATURESVAN GENDEREN AM.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 112; NO 1; PP. 61-67; BIBL. 21 REF.Article

FIVE-COLOUR PHOTOMETRY OF THE X-RAY BINARY SMC X-1.VAN GENDEREN AM.1977; ASTR. AND ASTROPHYS.; GERM.; DA. 1977; VOL. 54; NO 1; PP. 307-308; BIBL. 11 REF.Article

A PRELIMINARY REPORT ON THE LIGHT VARIATION OF SK.160=SMC X-I.VAN GENDEREN AM.1974; MONTH. NOT. R. ASTR. SOC.; G.B.; DA. 1974; VOL. 167; NO 3; PP. 57P-59P; BIBL. 10 REF.Article

PHOTOELECTRIC FIVE-COLOUR OBSERVATIONS OF W SERPENTISVAN GENDEREN AM.1973; ASTR. AND ASTROPHYS., SUPPL. SER.,; GERM.; DA. 1973; VOL. 9; NO 2; PP. 157-161; BIBL. 3REF.Serial Issue

THE ABSORBING MATERIAL IN THE ANDROMEDA NEBULAVAN GENDEREN AM.1973; ASTR. AND ASTROPHYS.; GERM.; DA. 1973; VOL. 24; NO 1; PP. 47-51; BIBL. 26 REF.Serial Issue

VBLUW PHOTOMETRY OF THE HIGH-LATITUDE, ECLIPSING SYSTEM BL TELVAN GENDEREN AM.1983; ASTRONOMY AND ASTROPHYSICS; ISSN 0004-6361; DEU; DA. 1983; VOL. 119; NO 2; PP. 265-273; BIBL. 18 REF.Article

ON THE RADIUS DETERMINATION OF THE VARIABLE F-TYPE SUPERGIANT BL TEL(F)VAN GENDEREN AM.1982; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1982; VOL. 105; NO 2; PP. 250-253; BIBL. 34 REF.Article

VBLUW PHOTOMETRY OF THE VERY SMALL AMPLITUDE AND VERY SHORT PERIOD CEPHEID HR 7308=HD 180583VAN GENDEREN AM.1981; ASTRON. ASTROPHYS. (BERL.); ISSN 0004-6361; DEU; DA. 1981; VOL. 99; NO 2; PP. 386-387; BIBL. 16 REF.Article

LONG TIME BASELINE VBLUW PHOTOMETRY OF FOUR OF THE MAST LUMINOUS LMC SUPERGIANTS HD 33579, HD 35343=S DOR, HDE 268757 AND HDE 269006. IVAN GENDEREN AM.1979; ASTR. AND ASTROPHYS., SUPPL. SER.; DEU; DA. 1979; VOL. 38; NO 2; PP. 151-154; BIBL. 11 REF.Article

VBLUW PHOTOMETRY OF THE HIGH-LATITUDE, ECLIPSING SYSTEM V748 CEN (=CEN X-4.)VAN GENDEREN AM.1979; ASTR. AND ASTROPHYS.; DEU; DA. 1979; VOL. 73; NO 1-2; PP. 183-189; BIBL. 15 REF.Article

THE LIGHT AND COLOUR CURVE OF THE PERIODIC VARIATION OF SCO X-1 (V 818 SCO).VAN GENDEREN AM.1977; ASTR. AND ASTROPHYS., SUPPL. SER.; GERM.; DA. 1977; VOL. 28; NO 2; PP. 119-121; BIBL. 11 REF.Article

THE UNUSUAL VARIABILITY OF THE BRIGHT SUPERGIANT COMPANION OF THE ECLIPSING BINARY BL TEL.VAN GENDEREN AM.1977; ASTR. AND ASTROPHYS.; GERM.; DA. 1977; VOL. 58; NO 3; PP. 439-441; BIBL. 12 REF.Article