IUE and ISO observations of the bipolar proto-planetary nebula Hen 401 (IRAS 10178-5958) M. Parthasarathy, P. García-Lario, G. Gauba, D. de Martino, Y. Nakada, T. Fujii, S. R. Pottasch and L. San Fernández de Córdoba A&A, 376 3 (2001) 941-949 Published online: 15 September 2001 DOI: 10.1051/0004-6361:20010964