@Inproceedings{RodríguezBrisaboa09,
author = {Brisaboa, N. R. and Ladra, S. and Navarro, G.},
title = {K2-trees for Compact Web Graph Representation},
booktitle = {Proceedings of the 16th International Symposium on String Processing and Information Retrieval (SPIRE'2009) - LNCS 5721},
address = {Saariselkä},
year = {2009},
pages = {18-30}
}