| 000 | 00321cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1972 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aW44 Or12 | ||
| 245 |
_aArea traffic control systems _cBy OECD |
||
| 260 |
_aParis _bOECD _c1972 |
||
| 300 | _a69p. | ||
| 650 | _aTraffic signs and signals | ||
| 650 | _aTraffic engineering | ||
| 999 |
_c413486 _d413486 |
||