Viliam Geffert, Carlo Mereghetti, Giovanni Pighizzini. One Pebble Versus log(n) Bits. In Henning Bordihn, Rudolf Freund, Markus Holzer, Martin Kutrib, Friedrich Otto, editors, Workshop on Non-Classical Models for Automata and Applications - NCMA 2009, Wroclaw, Poland, August 31 - September 1, 2009. Proceedings. Volume 256 of books@ocg.at, pages 121-134, Austrian Computer Society, 2009.
Abstract is missing.