The ISOPHOT 170 μm Serendipity Survey II. The catalog of optically identified galaxies M. Stickel, D. Lemke, U. Klaas, O. Krause and S. Egner A&A, 422 1 (2004) 39-54 Published online: 06 July 2004 DOI: 10.1051/0004-6361:20035662