@book{737,
  keywords = {Ecotourism},
  author = {James Nelson and R. Butler and Geoffrey Wall},
  title = {Tourism and sustainable development: Monitoring, planning, managing, decision making: A civic approach: Heritage Resources Centre joint publication ; no; Department of Geography publication series ; no. 52},
  year = {1999},
  edition = {2},
  publisher = {University of Waterloo, Department of Geography},
  address = {Waterloo, Ont.},
  isbn = {0921083602},
}