Ian Graeme Heggie

Supervisión comercial y financiamiento vial

Ian Graeme Heggie, Piers Vickers, 1999 .

Transport engineering economics

Ian Graeme Heggie, 1972 .

Selecting appropriate instruments for charging road users

Ian Graeme Heggie, 1992 .

Modal choice and the value of travel time

Ian Graeme Heggie, I. Heggie, 1976 .

Management and financing of roads : an agenda for reform

Ian Graeme Heggie, 1994 .