author = { Vassallo, José Manuel AND Ortega, Alejandro AND Baeza, María de los Ángeles },

title = { Impact of the Economic Recession on Toll Highway Concessions in Spain },

publisher = {American Society of Civil Engineers (ASCE)},

isbn = {0742-597X},

isbn = {1943-5479},

keywords = { Management Science and Operations Research , Strategy and Management , General Engineering , Industrial relations , Building and Construction },

year = {2012},

url = { http://slubdd.de/katalog?TN_libero_mab2 }