Bockmayr, Alexander Programming Logics, MPI for Informatics, Max Planck Society;
https://rdcu.be/dxCRO (Verlagsversion)
Bockmayr, A. (1994). Solving Pseudo-Boolean Constraints. In A. Podelski (Ed.), Constraint Programming: Basics and Trends (pp. 22-38). Berlin, Germany: Springer.