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

2 Subjects: “...value of travel time savings...”

3 Subjects: “...travel behaviour...”

4 Subjects: “...travel behavior...”

5 Subjects: “...traveling wave...”

6 Subjects: “...travel times...”

7 Subjects: “...travel...”

8 “... of their travel paths, and increasing air and noise levels are the most pressing issues in today's cities. Advance...”

9 “... during the 19th century. Based on travelogues from European travelers, recently found Arab sources...”

10 “.... Television, once a broadcast medium, now also travels through our telephone lines, fiber optic cables...”