Dust emission from 3C radio galaxies and quasars: New ISO observations favour the unified schemeK. Meisenheimer, M. Haas, S. A. H. Müller, R. Chini, U. Klaas and D. LemkeA&A, 372 3 (2001) 719-729DOI: https://doi.org/10.1051/0004-6361:20010238