author        = "van Hoof, P. A. M. and  Exter, K. M. and  van de Steene,
                       G. C. and  Barlow, M. J. and  Lim, T. L. and  Sibthorpe, B.
                       and  Groenewegen, M. A. T. and  Ueta, T. and  Matsuura, M.
                       and  Blommaert, J. A. D. L. and  Cohen, M. and  De Meester,
                       W. and  Gear, W. K. and  Gomez, H. L. and  Hargrave, P. C.
                       and  Huygen, E. and  Ivison, R. J. and  Jean, C. and 
                       Leeks, S. J. and  Olofsson, G. and  Polehampton, E. T. and 
                       Regibo, S. and  Royer, P. and  Swinyard, B. M. and 
                       Vandenbussche, B. and  van Winckel, H. and  Waelkens, C.
                       and  Wesson, R.",
      title         = "{Imaging Planetary Nebulae with Hershel-PACS and SPIRE}",
      year          = "2011",