Commercial management and financing of roads

Autor: Heggie, Ian G., Vickers, Piers, Ian G. Heggie, Piers Vickers
Rok: 1998

Transport and the urban environment : proceedings of a conference, held by the International Economic Association at Lyngby, Denmark

Autor: edited by J.G. Rothenberg and Ian G. Heggie
Rok: 1974

Transport engineering economics

Autor: Heggie, Ian G.
Rok: 1972