@article{ETD,
      school = {M.S.},
      author = {Ballard, Linda},
      url = {http://digitalcollections.ohsu.edu/record/1258},
      title = {A validity study of the wandering observation tool: a  behavioral observation instrument},
      number = {ETD},
      doi = {https://doi.org/10.6083/M4RJ4GK3},
      recid = {1258},
      address = {1988},
}