D. Lewis

PRIMER ON TRANSPORTATION, PRODUCTIVITY AND ECONOMIC DEVELOPMENT

D. Lewis, D Lewis, 1991 .

AN INTEGRATED FARES POLICY FOR TRANSPORT IN LONDON

S. Glaister, D. Lewis, 1978 .

Impact of reliability on paratransit demand and operating costs

David Koffman, David Lewis, Todd Evans, 1998 .

OBJECTIVES AND DECISION CRITERIA FOR INFRASTRUCTURE INVESTMENT

D. Lewis, 1994 .