00700nam a2200181 4500 1/24186 991008s2001 enka n100 0 eng d 928951443X 25923 GR-PeUP KET 338.4'7914 SUS Sustainable tourism and Natura 2000 : guidelines, initiatives and good practices in Europe : final publication Luxembourg : Office for Official Publications of the European Communities , 2001 63 p. : ill. ; 30 cm. Ecotourism Europe. Tourism Environmental aspects Europe. European Commission. INST UNIPILB KET 20041220 KET 338.4'7914 SUS 00145086 00145086 LOAN 0 1