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  author = 	 {A. El-Geneidy and D. Levinson},
  year = 	 {2006},
  title = 	 {Access to destinations: Development of accessibility measures}
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@misc{RefWorks:1182,
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  year = 	 {2002},
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@misc{RefWorks:1181,
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  year = 	 {1994},
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@misc{RefWorks:1183,
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  year = 	 {1959},
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@misc{RefWorks:1184,
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@misc{RefWorks:1185,
  author = 	 {D. Schrank and T. Lomax},
  year = 	 {2005},
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@misc{RefWorks:1186,
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@misc{RefWorks:1187,
  author = 	 {M. Wachs and T. Kumagai},
  year = 	 {1973},
  title = 	 {Physical accessibility as a social indicator},
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}