000 00386nam a2200145Ia 4500
008 160906s9999 xx 000 0 und d
100 _aPhilips, Adrian, Ed
110 _aThe World Conservation Union
245 _aEconomic values of protected areas
245 _bGuidelines and protected area managers
260 _aSwitzerland
260 _bIUCN
260 _c1998
300 _a52
999 _c107935
_d107935