Chien-Ta Chen Ching-Tsung Hung Chien-Cheng Chou Ziping Chiang Jyh-Dong Lin The Predicted Model of International Roughness Index for Drainage Asphalt Pavement. 937-945 2008 ICIC (1) http://dx.doi.org/10.1007/978-3-540-87442-3_115 conf/icic/2008-1 db/conf/icic/icic2008-1.html#ChenHCCL08