@InternationalConference{BTL06,
author = {BERTRAND, O. and TRAN, T. and LUX, A.},
title = {From Ridges in Scale-Space to Hierarchical Shape Representation},
booktitle = {1st Workshop on Shapes and Semantics},
pages = {13-21},
year = {2006},
url = {/2006/BTL06},
}