1 Subjects: “...contemporary urban landscape conceptions...”

2 Subjects: “...ecological concepts...”

3 Subjects: “...students' alternative conceptions...”

4 Subjects: “...future mobility concepts...”

5 Subjects: “...sensor concept...”

6 Subjects: “...species concept...”

7 Subjects: “...evaluation concepts...”

8 Subjects: “...search engine concept...”

9 Subjects: “...concept blending...”

10 Subjects: “...marketing concept...”

11 Subjects: “...smart city implementation concept...”

12 Subjects: “...the Triple Helix Concept...”

13 Subjects: “...concept of corporate sustainability...”

14 Subjects: “...proof-of-concept: use case...”

15 Subjects: “...concept network analysis...”