@unpublished{albasaunal:hal-02434403, TITLE = {{Environnement et {\'e}lasticit{\'e}s de substitution dans l'industrie : m{\'e}thodes et interrogations pour l'avenir}}, AUTHOR = {Alba-Saunal, Nathalie}, URL = {https://ifp.hal.science/hal-02434403}, NOTE = {working paper or preprint}, YEAR = {1993}, MONTH = Sep, PDF = {https://ifp.hal.science/hal-02434403/file/CEG16b.pdf}, HAL_ID = {hal-02434403}, HAL_VERSION = {v1}, }