Planning and Transport Research and Computation, (University of Sussex   25-29 June 1973)    

 - London  PTRC Co. ltd.          1973 
<br/><br/> Seminar Proceedings, Cost Models and Optimisation in highways 25-27 June 1973. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(D5):2p561, N73, L3