Transport for people with a mobility handicap : proceedings of Seminar G held at the PTRC Transport and Planning Summer Annual Meeting, University of Sussex, England, from 11-15 September 1989.
Planning and Transport Research and Computation (International) Co.Meeting(17th :1989 :University of Sussex).Seminar G.
London : Published by PTRC Education and Research Services Ltd. on behalf of Planning and Transport Research and Computation International Association,
1989.