1. Lecture Notes in Computer Science;K. Pipatsrisawat,2007
2. Jeroslow, R., Wang, J.: Solving propositional satisfiability problems. Annals of Mathematics and Artificial Intelligence 1, 167–187 (1990)
3. Biere, A.: Lingeling, Plingeling, PicoSAT and PrecoSAT at SAT Race 2010 (2010),
http://baldur.iti.uka.de/sat-race-2010/descriptions/solver_1+2+3+6.pdf
4. Heule, M.: March: towards a look-ahead SAT solver for general purposes, Master thesis (2004)
5. Lecture Notes in Computer Science;J. Chen,2009