TY  - BOOK
AU  - Chan, Yu-po
TI  - Aggregation in transport network: an application of hierarchical structure / by ... [et al.] ; prepared in cooperation with the M. I. T. Urban Systems Laboratory ..
AV  - TA7 M36 no. 68-47 
PY  - 1968///
CY  - Cambridge, Mass.
PB  - Department of Civil Engineering, Massachusetts Institute of Technology
KW  - Transportation
ER  -