TY  - BOOK
AU  - Dutta, Madhumati
ED  - University of Calcutta, Center for urban economic studies
TI  - Transportation policy for the control of vehicular air pollution in urban areas : applying lessons from the north to Calcutta, India / Center for urban economic studies
CY  - Calcutta
KW  - Air pollution - urban area
KW  - Environmental problems
ER  -