References

  • Administration of Appenzell Innerrhoden Canton (Department of Economy and Labour), Switzerland
  • Administration of Shahdag Mountain Resort, Azerbaijan
  • Andreus Spa and Golf Hotel, St. Leonhard, Italy
  • Arosa Kulm Hotel in Arosa, Switzerland
  • Association 'Donautal-Aktiv', Germany
  • Austrian Association of Private Accommodation Facilities, Austria
  • Bavarian Hotel and Restaurant Association 'DEHOGA Bayern', Germany
  • Bavarian Ministry of Economic Affairs, Regional Development and Energy, German
  • Bavarian Public Real Estate Company 'Immobilien Freistaat Bayern', Germany
  • Biosphere Reserve Swabian Alb, Germany