//-->
Benefits and costs of transport classification, methodologies and policies
Verhoef, Erik T., (1997)
Domestic transportation. Practice, theory, and policy
Sampson, Roy J., (1979)
Benefits and costs of transport : classification, methodologies and policies
Domestic transportation : practice, theory, and policy
Sampson, Roy J., (1985)
Evolution of academic concerns with transportation and logistics
Farris, Martin T., (2008)