THE VIRIAL MASS DISCREPANCY IN GROUPS AND CLUSTERS OF GALAXIES.HARTWICK FDA.1978; ASTROPHYS. J.; U.S.A.; DA. 1978; VOL. 219; NO 2 PART. 1; PP. 345-351; BIBL. 22 REF.Article

A COLOR-MAGNITUDE DIAGRAM FOR THE STRONG-LINE GLOBULAR CLUSTER NGC 6553.HARTWICK FDA.1975; PUBL. ASTR. SOC. PACIF.; U.S.A.; DA. 1975; VOL. 87; NO 515; PP. 77-81; BIBL. 16 REF.Article

INTERSTELLAR ABSORPTION ON AN APPARENT ANISOTROPY IN THE HUBBLE EXPANSION.HARTWICK FDA.1975; ASTROPHYS. J.; U.S.A.; DA. 1975; VOL. 195; NO 1 PART. 2; PP. 7-9; BIBL. 7 REF.Article

THE CENTRAL DENSITIES OF SPHERICAL STELLAR SYSTEMS WITH ANISOTROPIC VELOCITY DISPERSIONSHARTWICK FDA.1981; PUBL. ASTRON. SOC. PAC.; ISSN 0004-6280; USA; DA. 1981; VOL. 93; NO 553; PP. 279-280; BIBL. 11 REF.Article

THE CHEMICAL EVOLUTION OF THE GALACTIC HALO.HARTWICK FDA.1976; ASTROPHYS. J.; U.S.A.; DA. 1976; VOL. 209; NO 2 PART. 1; PP. 418-423; BIBL. 29 REF.Article

UPPER LIMITS TO THE MASS OF THE VIRGO CLUSTER OF GALAXIES.HARTWICK FDA.1976; ASTROPHYS. J.; U.S.A.; DA. 1976; VOL. 208; NO 1, PART. 2; PP. L13-L14; BIBL. 12 REF.Article

SOME IMPLICATIONS FOR THE EARLY CHEMICAL AND DYNAMICAL EVOLUTION OF THE LARGE MAGELLANIC CLOUD FROM OBSERVATIONS OF THE OLDEST GLOBULAR CLUSTERSCOWLEY AP; HARTWICK FDA.1982; ASTROPHYSICAL JOURNAL; ISSN 0004-637X; USA; DA. 1982; VOL. 259; NO 1; PART. 1; PP. 89-95; H.T. 2; BIBL. 42 REF.Article

METAL-RICH GLOBULAR CLUSTERS IN THE GALAXY. V. A PHOTOMETRIC STUDY OF 47 TUCANAE.HESSER JE; HARTWICK FDA.1977; ASTROPHYS. J., SUPPL. SER.; U.S.A.; DA. 1977; VOL. 33; NO 3; PP. 361-389; BIBL. 37 REF.Article

AN ADDITIONAL CONSTRAINT ON THE EARLY EVOLUTION OF THE GALAXY FROM NEW OBSERVATIONS OF 47 TUCANAE.HARTWICK FDA; HESSER JE.1974; ASTROPHYS. J.; U.S.A.; DA. 1974; VOL. 194; NO 3 PART. 2; PP. 129-133; BIBL. 24 REF.Article

AN APPARENT DISCONTINUITY IN THE PROPERTIES OF GIANTS OF THE DISK POPULATIONHARTWICK FDA; HESSER JE.1972; PUBL. ASTR. SOC. PACIF.; U.S.A.; DA. 1972; VOL. 84; NO 502; PP. 813-815; BIBL. 12REF.Serial Issue

POSSIBLE DIFFUSE X-RAY EMISSION FROM GLOBULAR CLUSTERSHARTWICK FDA; COWLEY AP.1981; ASTROPHYSICAL PARAMETERS FOR GLOBULAR CLUSTERS. INTERNATIONAL ASTRONOMICAL UNION. COLLOQUIUM. 68/1981-10-07/NEW YORK NY; USA; SCHENECTADY NY: L. DAVIS PRESS; DA. 1981; PP. 13-16; BIBL. 6 REF.Conference Paper

RADIAL VELOCITIES FOR OUTLYING SATELLITES AND THEIR IMPLICATIONS FOR THE MASS OF THE GALAXY.HARTWICK FDA; SARGENT WLW.1978; ASTROPHYS. J.; U.S.A.; DA. 1978; VOL. 221; NO 2 PART. 1; PP. 512-520; H.T. 2; BIBL. 28 REF.Article

PHYSICAL CHARACTERISTICS OF GIANT STARS IN THE DRACO DWARF SPHEROIDAL GALAXY.HARTWICK FDA; MCCLURE RD.1974; ASTROPHYS. J.; U.S.A.; DA. 1974; VOL. 193; NO 2 PART. 1; PP. 321-325; BIBL. 18 REF.Article

THE MASS OF M31 AS DETERMINED FROM THE MOTIONS OF ITS GLOBULAR CLUSTERS.HARTWICK FDA; SARGENT WLW.1974; ASTROPHYS. J.; U.S.A.; DA. 1974; VOL. 190; NO 2 PART. 1; PP. 283-284; BIBL. 11 REF.Article

EARLY CHEMICAL AND DYNAMICAL EVOLUTION OF THE LMCHARTWICK FDA; COWLEY AP.1981; ASTROPHYSICAL PARAMETERS FOR GLOBULAR CLUSTERS. INTERNATIONAL ASTRONOMICAL UNION. COLLOQUIUM. 68/1981-10-07/NEW YORK NY; USA; SCHENECTADY NY: L. DAVIS PRESS; DA. 1981; PP. 245-249; BIBL. 10 REF.Conference Paper

THE ABNORMALLY METAL-RICH GLOBULAR CLUSTER NGC6352HARTWICK FDA; HESSER JE.1972; ASTROPHYS. J.; U.S.A.; DA. 1972; VOL. 175; NO 1, PART 1; PP. 77-88; H.T. 2; BIBL. 27REF.Serial Issue

THE CURIOUS VARIATION OF THE BLUE-TO-RED SUPERGIANT RATIO ACROSS THE FACE OF THE LARGE MAGELLANIE CLOUDCOWLEY AP; DAWSON P; HARTWICK FDA et al.1979; PUBL. ASTR. SOC. PACIF.; USA; DA. 1979; VOL. 91; NO 543; PP. 628-631; BIBL. 15 REF.Article

SPECTRE OF GIANT STARS IN DISTANT SATELLITES OF THE GALAXY.COWLEY AP; HARTWICK FDA; SARGENT WLW et al.1978; ASTROPHYS. J.; U.S.A.; DA. 1978; VOL. 220; NO 2 PART. 1; PP. 453-457; BIBL. 6 REF.Article

CYANOGEN STRENGTHS AND ULTRAVIOLET EXCESSES OF EVOLVED STARS IN 17 GLOBULAR CLUSTERS FROM DDO PHOTOMETRY.HESSER JE; HARTWICK FDA; MCCLURE RD et al.1977; ASTROPHYS. J., SUPPL. SER.; U.S.A.; DA. 1977; VOL. 33; NO 4; PP. 471-493; BIBL. 83 REF.Article

THE RR LYRAE STARS IN BAADE'S FIELD NEAR NGC 6522HARTWICK FDA; HESSER JE; HILL G et al.1972; ASTROPHYS. J.; U.S.A.; DA. 1972; VOL. 174; NO 3, PART 1; PP. 573-582; BIBL. 26REF.Serial Issue

A PHOTOMETRIC STUDY OF THE OPEN CLUSTER NGC2477HARTWICK FDA; HESSER JE; MCCLURE RD et al.1972; ASTROPHYS. J.; U.S.A.; DA. 1972; VOL. 174; NO 3, PART 1; PP. 557-572; H.T. 1; BIBL. 35 REF.Serial Issue

THE STRANGE CASE OF V439 CYGNI: CHEQUERED HISTORY OR MULTIPLE MIS-IDENTIFICATIONENGLISH DA; HARTWICK FDA; COWLEY AP et al.1983; INFORMATION BULLETIN ON VARIABLE STARS; ISSN 0374-0676; HUN; DA. 1983; NO 2337; 4 P.; BIBL. 7 REF.Serial Issue

EVIDENCE FOR EXTENDED X-RAY EMISSION FROM GLOBULAR CLUSTERSHARTWICK FDA; COWLEY AP; GRINDLAY JE et al.1982; ASTROPHYS. J.; ISSN 0004-637X; USA; DA. 1982; VOL. 254; NO 1; PART. 2; PP. L11-L13; H.T. 3; BIBL. 19 REF.Article

CYANOGEN STRENGTHS OF GLOBULAR CLUSTER POST-MAIN-SEQUENCE STARS.HESSER JE; HARTWICK FDA; MCCLURE RD et al.1976; ASTROPHYS. J.; U.S.A.; DA. 1976; VOL. 207; NO 2, PART. 2; PP. L113-L118; BIBL. 46 REF.Article

INSTRUMENTAL COLOR-MAGNITUDE DIAGRAMS FOR 24 LARGE MAGELLANIC CLOUD STAR CLUSTERS.HESSER JE; HARTWICK FDA; UGARTE PP et al.1976; ASTROPHYS. J., SUPPL. SER.; U.S.A.; DA. 1976; VOL. 32; NO 2; PP. 283-350; BIBL. 38 REF.Article