Media type: E-Article Title: Ultrashort-Period Binaries. II. HZ 29 (=AM CVn): a Double-White Semidetached Postcataclysmic Nova? Contributor: Faulkner, John; Flannery, Brian P.; Warner, Brian imprint: American Astronomical Society, 1972 Published in: The Astrophysical Journal Language: English DOI: 10.1086/180989 ISSN: 0004-637X; 1538-4357 Keywords: Space and Planetary Science ; Astronomy and Astrophysics Origination: Footnote: Access State: Open Access