Watanatada, Thawat The Highway design and maintenance standards model By Thawat Watanatada and others - Washington, D.C. IBRD 1987 - v. v.1. Descripsion of the HDM-III model v.2. User's manual forthe HDM-III model Subjects--Topical Terms: Roads - Design Dewey Class. No.: X63 In8h