@INPROCEEDINGS{Postolski:2012-icpr, 
author={Postolski, M. and Janaszewski, M. and Kenmochi, Y. and Lachaud, J.-O.}, 
booktitle={21st International Conference on Pattern Recognition (ICPR'2012) }, 
title={Tangent estimation along 3D digital curves}, 
year={2012}, 
month={nov.}, 
pages={2079--2082}, 
keywords={Accuracy;Convergence;Estimation;Pattern recognition;Shape;Time complexity}, 
ISSN={1051-4651}
}