Title: The evolving spectrum of the planetary nebula Hen 2-260
Authors: M. Hajduk, P. A. M. van Hoof, K. Gesicki, A. A. Zijlstra, S. K. Górny, and M. Gładkowski
Journal: Astronomy and Astrophysics
Publication type: article
DOI: 10.1051/0004-6361/201322742