共 31 条
[2]
[Anonymous], TRANSP RES REC
[3]
[Anonymous], 2009, BIXI NUMB
[4]
[Anonymous], ENQ OR DEST 2003
[5]
Dill J., 2008, Understanding and measuring bicycling behavior: A focus on travel time and route choice, DOI OTREC-RR-08-03
[6]
Dillman D.A., 2009, Internet, Mail, and Mix-Mode Surveys: The Taylored Design Method
[7]
Doolittle Jr. J. T., 1994, TCRP SYNTHESIS TRANS
[8]
Egeter B., 1993, GECOMBINEERD GEBRUIK