author        = "Schmutz, W. and Fehlmann, A. and Huelsen, G. and Meindl,
                       P. and Winkler, R. and Thuillier, G. and Blattner, P. and
                       Buisson, F. and Egorova, T. and Finsterle, W. and Fox, N.
                       and Gröbner, J and Hochedez, J.-F. and Koller, S. and
                       Meftah, M. and Meissonier, M. and Nyeki, S. and Pfiffner,
                       D. and Roth, H. and Rozanov, E. and Spescha, M. and Wehrli,
                       C. and Werner, L. and Wyss, J. U.",
      title         = "{The PREMOS/PICARD instrument calibration}",
      year          = "2009",