author = { Hopkin, Jean M. AND Jones, P. M. AND Stokes, G. },

title = { Bus service levels in urban areas effects on bus use and travel behaviour },

publisher = {TRRL},

year = {1988},

booktitle = {Research report / Transport and Road Research Laboratory, Department of Transport ; 151},

address = { Crowthorne },

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