| 000 | 00357cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1956 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aW B289 | ||
| 100 | _aBeckmann, George M. | ||
| 245 |
_aStudies in the conomics of transportation _cby George M. Beckmann |
||
| 260 |
_aNew Haven _bYale University Press _c1956 |
||
| 300 | _a232p. | ||
| 650 | _aTransportation | ||
| 999 |
_c359378 _d359378 |
||