Information technology in transport and tourism : proceedings of a seminar held at the PTRC Transport and Planning Summer Annual Meeting, University of Bath, England, 9-11 September 1987.
PTRC Transport and Planning.Meeting(1987 :University of Bath, England)
PTRC Education and Research Services Ltd.
London : PTRC Education and Research Services Ltd. on behalf of Planning and Transport Research and Computation International,
1987.