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