1 Subjects: “...string theory...”

2 Subjects: “...Biot-Rayleigh theory...”

3 Subjects: “...cooperative game theory...”

4 Subjects: “...turbulence theory...”

5 Subjects: “...actor-network theory...”

6 Subjects: “...fuzzy theory...”

7 Subjects: “...random walk theory...”

8 Subjects: “...multi-physics mechanism theory...”

9 Subjects: “...critical theory...”

10 Subjects: “...freestream theory...”

11 Subjects: “...freestream theory...”

12 Subjects: “...evidence theory...”

13 Subjects: “...fractal theory...”