NUST Institutions Library Catalogue Search for 'an:20780'

Maintenance of unpaved roads /

By TRB. Washington : National Academy of Sciences, 1979 . vi, 42 p. : , "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." 28 cm.. 030902966X

Place Hold on Maintenance of unpaved roads /

Road deterioration in developing countries

Washington, D.C. : Transportation Research Board, National Research Council, 1987 . v, 80 p. : 28 cm.. 0309045053 (pbk.) :

Place Hold on Road deterioration in developing countries

Decision methodology for maintenance and upgrading : costs, traffic, and benefits = Methodología de decisiones en la conservación y mejora : costos, transito y beneficios = Méthodologie de prise de décision en matière d'entretien et d'amelioration : coûts, trafic, et avantages /

Washington : National Academy of Sciences, 1980 . xxxii, 211 p. : , "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." | English, French, or Spanish. 28 cm.. 030902997X

Place Hold on Decision methodology for maintenance and upgrading :

Road deterioration in developing countries :

Washington, D.C. : World Bank, 1987 . x, 61 p. : , Prepared by Clell Harral and Asif Faiz, with contributions by Esra Bennathan, Graham Smith, and Anil Bhandari. 27 cm..

Place Hold on Road deterioration in developing countries :

Control of erosion Control de erosión=Contrôle de l'érosion /

Washington, D.C. : National Academy of Sciences, 1979 . xxx, 316 p. : , "Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." | English, French, and Spanish. | Includes index. 28 cm.. 0309029767

Place Hold on Control of erosion Control de erosión=Contrôle de l'érosion /