TY  - BOOK
AU  - Transportation Research Board, Washington D.C.
TI  - Use of market research panels in transit  : a synthesis of transit practice
SN  - 9780309223935
U1  - 388.4042 
PY  - 2013///
CY  - Washington D.C.
PB  - Transportation Research Board
UR  - http://onlinepubs.trb.org/onlinepubs/tcrp/tcrp_syn_105.pdf
ER  -