The Iso-Lws Spectrum of the Seyfert Galaxy NGC 4151 Spinoglio, L. ; Malkan, M. A. ; Clegg, P. E. ; Fischer, J. ; Greenhouse, M. ; Smith, H. A. ; Péquignot, D. ; Nguyen-Q-Rieu ; Cafaro, N. ; Unger, S. J. Abstract Publication: Extragalactic Astronomy in the Infrared Pub Date: 1997 Bibcode: 1997eai..proc..333S