@inproceedings{Hanhijarvi09sdm,
author = {Sami Hanhij\"arvi and Gemma C. Garriga and Kai Puolam\"aki},
booktitle = {Proceedings of the 9th SIAM International Conference on Data Mining (SDM '09)},
pages = {780--791},
title = {Randomization Techniques for Graphs},
year = {2009},
}