@article{RuessKristenEckeltetal.2013,
  author    = {Christian Ruess and Karl-Heinz Kristen and Markus Eckelt and Franziska Mally and Stefan Litzenberger and Anton Sabo},
  title     = {Stand up Paddle Surfing - An Aerobic Workout and Balance Training},
  journal   = {Procedia Engineering},
  volume    = {60},
  number    = {0},
  pages     = {62 -- 66},
  year      = {2013},
}