author = { Crisfield, M. A. AND Packham, A. J. },

title = { A mechanism program for computing the strength of masonry arch bridges },

publisher = {TRRL},

year = {1987},

booktitle = {Research report / Transport and Road Research Laboratory, Department of Transport ; 124},

address = { Crowthorne },

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