author        = "Francis, Olivier and Klein, G. and Baumann, Henri and
                       Dando, N. and Tracey, R. and Ullrich, C. and Castelein,
                       Stefaan and Hua, H. and Kang, W. and Chongyang, S. and
                       Songbo, X. and Hongbo, T. and Zhengyuan, L. and Palinkas,
                       V. and Kostelecky, J. and Mäkinen, J. and Näränen, J.
                       and Merlet, S. and Farah, T. and Guerlin, C. and Pereira
                       Dos Santos, F. and Le Moigne, N. and Champollion, C. and
                       Deville, S. and Timmen, Ludger and Falk, R. and Wilmes,
                       Herbert and Lacovone, D. and Baccaro, F. and Germak, A. and
                       Biolcati, E. and Krynski, J. and Sekowski, M. and Olszak,
                       T. and Pachuta, A. and Agren, J. and Engfeldt, A. and
                       Reudink, R. and Inacio, P. and McLaughlin, D. and Shannon,
                       G. and Eckl, M. and Wilkins, T. and van Westrum, Derek and
                       Billson, R.",
      title         = "{Final report of the regional key comparison
                       EURAMET.M.G-K1: European Comparison of Absolute Gravimeters
                       ECAG-2011 }",
      year          = "2012",