00830cam a2200181 i 4500 0309028140 625.76 NAT National Research Council (U.S.). 20017 Maintenance decision making and energy use, roadside and pavement management, and preferential bridge icing. Washington : Transportation Research Board, Commission on Sociotechnical Systems, National Research Council, National Academy of Sciences, 1978. iv, 67 p. : ill. ; 28 cm. Thirteen reports prepared for the 57th annual meeting of the Transportation Research Board. 0 0 0 625_760000000000000_NAT MCE 379 Roads Maintenance and repair Congresses. 43735 Roadside improvement Congresses. 43736 ddc BK 547554 547554 0 0 ddc 0 0 MCE MCE 2014-07-22 0 625.76 NAT MCE-42196 2014-07-22 2014-07-22 BK