The railroad problem
2011
390 S.
Book
English
| RVK: | ZO 5000 |
| Engineering Index Backfile | 1917
| Engineering Index Backfile | 1907
The intercontinental railroad problem
| Engineering Index Backfile | 1892
Railroad materials handling problem
| Engineering Index Backfile | 1948
Railroad administration's motive power problem
| Engineering Index Backfile | 1918