Ewald Speckenmeyer. Classes of CNF-Formulas with Backtracking Trees of Exponential or Linear Average Order for Exact-Satisfiability. In Michal Chytil, Ladislav Janiga, Václav Koubek, editors, Mathematical Foundations of Computer Science 1988, MFCS 88, Carlsbad, Czechoslovakia, August 29 - September 2, 1988, Proceedings. Volume 324 of Lecture Notes in Computer Science, pages 529-538, Springer, 1988.
Abstract is missing.