Oliver Kullmann
Satisfiability Problem: Theory and Applications, DIMACS Ser. Discrete Math. and Theoretical Computer Science 35, Ding-Zhu Du,
Jun Gu,
and Panos M. Pardalos, ed., Amer. Math. Soc., 1997, pp. 261–313
http://cs-svr1.swan.ac.uk/~csoliver/Artikel/procfin2e.ps
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