TY  - BOOK
A1  - Santos, A.
A1  - McGuckin, N.
A1  - Nakamoto, H.Y.
A1  - Gray, D.
A1  - Liss, S.
T1  - Summary of travel trends: 2009 National Household Travel Survey
Y1  - 2011
CY  - Washington, D.C
PB  - U.S. Department of Transportation Federal Highway Administration (FHWA)

ER  -