00386nam a2200145Ia 4500003000600000005001700006008004100023020001800064040002500082082002200107100001800129245001500147260003400162500004400196NORSU20240704082652.0240214s9999    xx            000 0 und d  a0-471-42229-0  aNORSU-DumcNORSU-Dum  a338.4791 W37 2001  aWeaver, David 0aEcotourism  bJohn Wiley & Sons, Inc.c2001  aincludes glossary, references and index