VLT/X-shooter Spectroscopy of a dusty planetary nebula discovered with Spitzer/IRS I. Oliveira, R. A. Overzier, K. M. Pontoppidan, E. F. van Dishoeck and L. Spezzi A&A, 526 (2011) A41 Published online: 20 December 2010 DOI: 10.1051/0004-6361/201015612