Specialized transportation 1991 : proceedings of a Conferen-ce, October 28-31, 1990, Sarasota, Florida / Transportatio-n Research Board.
Specialized transportation 1991 : proceedings of a Conferen-ce, October 28-31, 1990, Sarasota, Florida / Transportatio-n Research Board.
- Washington, D.C. : TRB
- 60 p.
- Record ; no. 1292 / Transportation Research Board .