Millimeter observations of planetary nebulae - A contribution to the Planck pre-launch catalogueG. Umana, P. Leto, C. Trigilio, C. S. Buemi, P. Manzitto, S. Toscano, S. Dolei and L. CerrigoneA&A, 482 2 (2008) 529-534DOI: https://doi.org/10.1051/0004-6361:20078796