@unpublished{cheze:hal-02474644, TITLE = {{Air traffic energy efficiency differs from place to place: analysis of historical trends bygeographical zones using a macro-level methodology}}, AUTHOR = {Ch{\`e}ze, Benoit and Gastineau, Pascal and Chevallier, Julien}, URL = {https://ifp.hal.science/hal-02474644}, NOTE = {working paper or preprint}, YEAR = {2011}, MONTH = Dec, PDF = {https://ifp.hal.science/hal-02474644/file/ECO86_CHEZE_GASTINEAU_CHEVALLIER.pdf}, HAL_ID = {hal-02474644}, HAL_VERSION = {v1}, }