@incollection{ravaud:hal-03707623, TITLE = {{Pr{\'e}face}}, AUTHOR = {Ravaud, Jean-Fran{\c c}ois}, URL = {https://cnrs.hal.science/hal-03707623}, BOOKTITLE = {{La funambule,le fil et la toile}}, EDITOR = {P. Fougeyrollas}, PUBLISHER = {{Presses de l'Universit{\'e} Laval}}, PAGES = {17-22}, YEAR = {2010}, HAL_ID = {hal-03707623}, HAL_VERSION = {v1}, }