1. Computational Complexity: A Modern Approach;Arora,2009
2. Reachability problems: an update;Allender,2007
3. Extensions to Barrington's M-program model;Bédard,1990
4. Finite loops recognize exactly the regular open languages;Beaudry,1997
5. Finite monoids and the fine structure of NC1;Mix Barrington;J. ACM,1988