"New eJAAVSO preprint (ej156): International Observing Campaign: Photometry and Spectroscopy of P Cygni"
by E. Pollmann and T. Bauer
http://www.aavso.org/ejaavso [1]
Links:[1] http://www.aavso.org/ejaavso [2] http://www.aavso.org/category/tags/front-page-news