@InProceedings{NSW92,
author={Noam Nisan and Endre Szemeredi and
Avi Wigderson},
title={Undirected connectivity in
$O(log^{1.5}n)$ space},
crossref={FOCS30},
booktitle={Proceedings of the 30th FOCS},
pages={24-29},
year={1989},
}