TY  - BOOK
AU  - Keen, Michael
AU  - Strand Jon
AU  - Parry Ian
AU  - World Bank
TI  - Market-based instruments for international aviation and ship
PY  - 2012///
CY  - Washington DC
PB  - World Bank
UR  - http://elibrary.igidr.ac.in/e-library/working papers/World Bank/PRWP/2012/E7245.pdf
ER  -