@InProceedings{,
author = { Helmut Alt and Christian Knauer and G{\"u}nter Rote and Sue Whitesides },
title = { The Complexity of (Un)folding },
journal = { Proceedings of the 19th ACM Symposium on Computational Geometry (SOCG) },
booktitle = { 19th ACM Symposium on Computational Geometry },
year = { 2003 },
pages = { 164-170 },
}
