@article{262191,
      author = {Welk, Greg.},
      url = {http://library.usi.edu/record/262191},
      title = {Physical activity assessments for health-related research  /},
      publisher = {Human Kinetics,},
      recid = {262191},
      pages = {x, 269 p. :},
      address = {Champaign, IL :},
      year = {2002},
}