@book{ Solr-502596, title = {Transportation engineering 1972 proceedings of the conference / organized by the Institution of Civil Engineers in London 18-21 April 1972 ; [editor, Joyce S. Davis].}, editor = {Davis, Joyce S.}, address = {London}, publisher = {Institution of Civil Engineers}, year = {1973}, pages = {174}, url = {http://www.icevirtuallibrary.com/content/book/102554} }