The gravity model in transportation analysis-theory and extensions /
08
| Main Author: | |
|---|---|
| Format: | |
| Language: | eng |
| Published: |
Zeist, Netherlands VSP
1990
|
| Subjects: |
08
| Main Author: | |
|---|---|
| Format: | |
| Language: | eng |
| Published: |
Zeist, Netherlands VSP
1990
|
| Subjects: |