Passenger information systems (1988-1993) : a selection of abstracts added to the TRL Library Database during the above period.
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| Format: | Book |
| Language: | English |
| Published: |
Crowthorne, Berkshire :
Library Services, Transport Research Laboratory,
[1993]
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| Series: | Current topics in transport ;
no. 31. |
| Subjects: |
| Item Description: | "May 1993." |
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| Physical Description: | 34 pages ; 30 cm. |