@InProceedings{DLNTW09,
author = "Samir Datta and Nutan Limaye and Prajakta Nimbhorkar and Thomas Thierauf and Fabian Wagner",
title = "Planar Graph Isomorphism is in Log-Space ",
booktitle = "24th IEEE Conference on Computational Complexity (CCC)",
publisher = "IEEE Computer Society Press",
year = "2009",
pages = "203-214",
}