author = { Oldfield, R. H. AND Emmerson, P. },

title = { Competition between bus services the results of a modelling exercise },

publisher = {TRRL},

year = {1986},

booktitle = {Research report / Transport and Road Research Laboratory, Department of Transport ; 72},

address = { Crowthorne, Berkshire },

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