@conference {18070, title = {Biconnectivity Approximations and Graph Carvings}, booktitle = {Proceedings of the Twenty-fourth Annual ACM Symposium on the Theory of Computing, Victoria, British Columbia, Canada, May 4-6, 1992}, year = {1992}, month = {1992///}, pages = {759 - 759}, author = {Vishkin, Uzi} }