@incollection{beck:hal-03707842, TITLE = {{Pr{\'e}face}}, AUTHOR = {Beck, Fran{\c c}ois and Choquet, M}, URL = {https://cnrs.hal.science/hal-03707842}, BOOKTITLE = {{Adolescences: Rep{\`e}res pour les parents et les professionnels}}, EDITOR = {P. Jeammet}, PUBLISHER = {{La D{\'e}couverte}}, PAGES = {13-14}, YEAR = {2012}, HAL_ID = {hal-03707842}, HAL_VERSION = {v1}, }