FIRBACK - IV. Towards the nature of the 170 μm source populationM. Dennefeld, G. Lagache, S. Mei, P. Ciliegi, H. Dole, R. G. Mann, E. L. Taylor and M. VaccariA&A, 440 1 (2005) 5-22DOI: https://doi.org/10.1051/0004-6361:20041844