Chan, Yu-po <br/><br/>
Aggregation in transport network :  an application of hierarchical structure / by ... [et al.] ; prepared in cooperation with the M. I. T. Urban Systems Laboratory ... 

 - Cambridge, Mass. :  Department of Civil Engineering, Massachusetts Institute of Technology,  1968 
 - 1 v. (various pagings) 
 - Search and choice in transport systems planning ;  v. 8 Massachusetts Institute of Technology. Department of Civil Engineering. Research report ;  no. R 68-47 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation
<br/><br/><label>LC Class. No.: </label>TA7 M36 no. 68-47