@article{40,
  author = {James Tung and Rhiannon Rose and Emnet Gammada and Isabel Lam and Eric Roy and Sandra Black and Pascal Poupart},
  title = {Measuring life space in older adults with mild-to-moderate Alzheimer's disease using mobile phone GPS},
  year = {2014},
  journal = {Gerontology},
  volume = {60},
  number = {2},
  pages = {154\textendash162},
  publisher = {Karger Publishers},
}