@inproceedings{Suo2008,
author = {Suo, J. and Wu, T. and Zhu, S. and Shan, S. and Chen, X. and Gao, W.},
title= {Design sparse features for age estimation using hierarchical face model},
year = {2008},
doi = {10.1109/AFGR.2008.4813314},
address = {Amsterdam, Netherlands},
}