Authors: HOWELL SB PESCE JE CONDON JJ CIARDULLO R USHER PD

Citation: Sb. Howell et al., US-3215 - AN ACTIVE GE2 GALAXY, Publications of the Astronomical Society of the Pacific, 109(740), 1997, pp. 1149-1153

Authors: FABIAN D USHER PD

Citation: D. Fabian et Pd. Usher, OPTICAL MORPHOLOGY OF BRIGHT QUASARS ON IMAGES TAKEN WITH 1.2 M SCHMIDT CAMERAS, The Astronomical journal, 111(2), 1996, pp. 645-648

Authors: USHER PD MITCHELL KJ HUANG KL

Citation: Pd. Usher et al., FAINT BLUE OBJECTS AT HIGH GALACTIC LATITUDE .7. SPECTROSCOPY OF NARROW-LINE OBJECTS AND THE MORPHOLOGICAL SELECTION CRITERION OF THE US SURVEY, The Astrophysical journal, 454(2), 1995, pp. 654-659

Authors: HOWELL SB USHER PD

Citation: Sb. Howell et Pd. Usher, IDENTIFICATION OF XX-CETI AND US-3215 AS EXTRAGALACTIC OBJECTS, Publications of the Astronomical Society of the Pacific, 105(686), 1993, pp. 383-386