@article{KlusmannEversSchwarzeretal.2011,
  author    = {Klusmann, Verena and Evers, Andrea and Schwarzer, Ralf and Heuser, Isabella},
  title     = {Activity experiences shape perceived fitness trajectories: Results from a 6-month randomized controlled trial in older women},
  journal   = {Aging, Neuropsychology, and Cognition},
  volume    = {18.2011},
  number    = {3},
  issn      = {1744-4128},
  doi       = {10.1080/13825585.2011.553272},
  pages     = {328 -- 339},
  year      = {2011},
  language  = {en}
}