1. Miks gets some (the odds are on his side);Chvátal,1992
2. Experimental results on the crossover point in Satisfiablity Problems;Crawford,1993
3. A computing procedure for quantification theory;Davis;J. Assoc. Comput. Mach.,1960
4. An Assumption-Based TMS;de Kleer;Artif. Intell.,1986
5. SAT versus UNSAT;Dubois,1993