Citation:Szentgyorgyi A, Raymond J, Franco J, Villaver E, ópez-Mart\'ın L. The High-Excitation Planetary Nebula NGC 246: Optical and Near-Ultraviolet Observations and Two-dimensional Numerical Models. \apj. 2003;594 (2) :874-887.Download CitationDOI BibTex Tagged XML Date Published:sep DOI