1 Subjects: “...cyber-physical systems...”

2 Subjects: “...physical properties...”

3 Subjects: “...physical separation...”

4 Subjects: “...cyber-physical systems...”

5 Subjects: “...physical training intensity...”

6 Subjects: “...physical properties...”

7 Subjects: “...physical models...”

8 Subjects: “...physical characteristics...”

9 Subjects: “...physical performance test...”

10 Subjects: “...cyber physical system...”

11 Subjects: “...cyber-physical systems...”

12 Subjects: “...cyber-physical systems...”

13 Subjects: “...soil properties (physical and chemical)...”

14 Subjects: “...physical activation...”

15 Subjects: “...physical properties...”

16 Subjects: “...physical properties...”

17 Subjects: “...physical properties...”