@article{944861,
      author = {Scheerder, Jeroen, and Vehmas, Hanna, and Helsen, Kobe,},
      url = {http://library.usi.edu/record/944861},
      title = {The rise and size of the fitness industry in Europe : fit  for the future? /},
      recid = {944861},
      pages = {1 online resource},
}