TY  - BOOK
AU  - Whitelegg,John
TI  - Critical mass: transport, environment and society in the twenty-first century 
SN  - 0-7453-1082-6
PY  - 1997///
CY  - London
PB  - Pluto press
KW  - Medio ambiente
KW  - Transporte
KW  - Aspectos ambientales
ER  -