共 45 条
[41]
van Eck J.Ritsema., 2005, Journal of Transport Geography, V13, P123, DOI DOI 10.1016/J.JTRANGEO.2004.04.013
[45]
[赵莹 ZHAO Ying], 2009, [地理与地理信息科学, Geography and Geo-information Science], V25, P1