Authors: SHIPMAN HL PROVENCAL J ROBY SW BARSTOW M BOND H BRUHWEILER F FINLEY D FONTAINE G HOLBERG J NOUSEK J SION E TWEEDY R WESEMAEL F VAUCLAIR G

Citation: Hl. Shipman et al., PHOTOSPHERIC, CIRCUMSTELLAR, AND INTERSTELLAR FEATURES OF HE, C, N, O, AND SI IN THE HST SPECTRA OF 4 HOT WHITE-DWARF STARS, The Astronomical journal, 109(3), 1995, pp. 1220-1230