1 Subjects: “...energy dependence...”

2 Subjects: “...long-range dependence...”

3 Subjects: “...level-dependent hearing protectors...”

4 “...The sustainable development of agriculture is not only dependent on economics and policy but also...”

5 “... and individuals in a quickly changing and technology-dependent world. The wide acceptance of artificial...”

6 “... both for the tourism industry, and for the communities dependent upon it. Integrating knowledge from...”

7 “... to this special issue can be categorized into four groups, depending on the issues that they address. All...”