Howell, Steve B.; Gansicke, Boris T.; Szkody, Paula; Sion, Edward M. (2002). <i>Hubble Space Telescope</i>
/STIS Spectroscopy of the White Dwarfs in the Short‐Period Dwarf Novae LL Andromedae and EF Pegasi. The Astrophysical Journal, 575(1), 419–426.
doi:10.1086/341213
url to share this paper:
An interview with Sci-Hub Founder Alexandra Elbakyan Who exactly should pay for academic research