Maciej Liskiewicz Rüdiger Reischuk The Sublogarithmic Alternating Space World Electronic Colloquium on Computational Complexity (ECCC) 1995 5 2 db/journals/eccc/eccc2.html#ECCC-TR95-005 http://eccc.hpi-web.de/eccc-reports/1995/TR95-005/index.html