@inproceedings{lev2012the,
title={The thick-thin decomposition and the bilipschitz classification of normal surface singularities},
author={Lev Birbrair, Walter D. Neumann, and Anne Pichon},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203402681813787},
booktitle={Acta Mathematica},
volume={212},
number={2},
pages={199-256},
year={2012},
}

Lev Birbrair, Walter D. Neumann, and Anne Pichon. The thick-thin decomposition and the bilipschitz classification of normal surface singularities. 2012. Vol. 212. In Acta Mathematica. pp.199-256. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203402681813787.