@congreso_internacional{471, author = {Y Wang and Jun Liu and T.M.S. Elhag and Luis Martínez}, title = {Bridge risk assessment using a hybrid AHP/DEA methodology}, year = {2007}, pages = {584-588}, month = {October 15-16th}, publisher = {International Conference on Intelligent Systems and Knowledge Engineering (ISKE2007)}, address = {Chengdu (China)}, }