PN G291.4-00.3: A new type I planetary nebula D. Nürnberger, S. Durand, J. Köppen, Th. Stanke, M. Sterzik and S. Els A&A, 377 1 (2001) 241-250 Published online: 15 October 2001 DOI: 10.1051/0004-6361:20011089