1. Research on some transportation organization issues of passenger dedicated line;WT Kang;China Railway Science,2008
2. The city of to-morrow and its planning;Le Corbusier,1929
3. Comparative Measures for Transit Network Performance Analysis;YJ Lee;Journal of the Transportation Research Forum,2012
4. Road network circuity in metropolitan areas;DJ Giacomin;Environment and Planning B: Planning and Design,2014
5. The minimum circuity frontier and the journey to work;DM Levinson;Regional Science and Urban Economics,2009