TY  - BOOK
AU  - Heggie, Ian G.
TI  - Modal choice and the value of travel time
SN  - 0198284047
U1  - 380.5 
PY  - 1976///
CY  - Oxford
PB  - Clarendon Press
KW  - Choice transportation - Addresses, essays, lectures
KW  - Travel time (Traffic engineering)- Addresses, essays, lectures
ER  -