Abundances of Planetary Nebula NGC 5315 S. R. Pottasch, D. A. Beintema, J. Bernard Salas, J. Koornneef and W. A. Feibelman A&A, 393 1 (2002) 285-294 Published online: 18 September 2002 DOI: 10.1051/0004-6361:20020986