Published in
Colonial Waterbirds, 2(19), p. 298
DOI: 10.2307/1521889
Wiley, The Geographical Journal, 2(162), p. 232, 1996
DOI: 10.2307/3059903
Elsevier, Tourism Management, 3(17), p. 233-234
DOI: 10.1016/0261-5177(96)80204-4
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Polar tourism: Tourism in the Arctic and Antarctic Regions
Journal article published in 1996 by
Dnn,
Valene L. Smith,
Brian Goodall,
Margaret E. Johnston,
Colin Michael Hall 
,
R. B. Heywood
,
R. B. Heywood
