| 000 | 004130000a22001570004500 | ||
|---|---|---|---|
| 245 | _aRoad note 33 : notes on using the SYX-RRL vehicle counter no.4 | ||
| 100 | _aRoad Research Laboratory | ||
| 260 | _bHer Majesty's Stationary Office | ||
| 260 | _aLondon | ||
| 260 | _c1962 | ||
| 300 | _a15p. : ill. | ||
| 080 |
_a656(047.31) _bR6 |
||
| 650 | _aTRANSPORTATION - Research | ||
| 041 | _aEN | ||
| 942 | _cPM | ||
| 999 |
_c45819 _d45819 |
||