00454nam a2200133Ia 45000010006000000050017000060080041000230200015000640820017000792450106000962600036002023000036002386500046002741218420261006004416.0120911s9999 xx 000 0 und d a0471421715 a338.4791 SPE aSpecial interest tourism : context and cases / edited by Norman Douglas, Ngaire Douglas, Ros Derrett. aMilton, Qld. : J. Wiley, 2001.  axxviii, 475 p. : ill. ; 25 cm.  aTourism Heritage tourism Ecotourism