1Hensher David A. Hierarchical stated response de- signs - an application to bus user preferences[J] . The Logistics and Transportation Review, 1990, 26(4).
2Hensher David A. Service quality -developing a service quality index (SQI) in the provision of commerciai bus contracts [J]. Transportation Research Part A, 2003, 37(6).
3Kari Edison Watkins, Brian Ferris, Alan Borning et al. Where is my bus? Impact of mobile real - time information on the perceived and actual wait time of transit riders[J]. Transportation Research Part A, 2011, 45(8).
4J RESKOG K. G., S RBOM D.. Recent developments in structural equation modeling[J] . Journal of Marketing Re- search, 1982, 19(4): 404-416.