1 Subjects: “...gravel grain shape...”

2 Subjects: “...traveling salesman problem...”

3 Subjects: “...traveling waves...”

4 Subjects: “...travelling waves...”

5 Subjects: “...traveling wave solution...”

6 Subjects: “...travel times...”

7 Subjects: “...traveler group...”

8 Subjects: “...travel behavior...”

9 Subjects: “...traveler group...”

10 Subjects: “...muslim travelers...”

11 Subjects: “...traveling salesman problem...”

12 Subjects: “...activity-travel patterns...”

13 “... will channel with distance traveled are identified. Seismic methods that can image and map subsurface...”