Sebastiaan van Vlijmen, Arjan van Waveren, Steven Klusener, Wilco Koorn, Liang Oei, Roland N. Bol, Frank van der Duyn Schouten, Stefan Vos de Wael. Epitomes of Four other Cases. Electronic Notes in Theoretical Computer Science, 21:1-28, 1999. [doi]
Abstract is missing.