@article{DouglasBungumScherbaum2006,
  author    = {John Douglas and Hilmar Bungum and Frank Scherbaum},
  title     = {Ground-motion prediction equations for Southern Spain and Southern Norway obtained using the composite model perspective},
  doi       = {10.1080/1363246060935058},
  url       = {http://www.informaworld.com/openurl?genre=journal\&issn=1363-2469},
  year      = {2006},
}