1. and Network flows: Theory, algorithms, and applications, Prentice-Hall, Englewood Cliffs, NJ, 1993.
2. New linear programming models for multileaf collimators in radiation therapy, Master's thesis, Department of Mathematics, University of Kaiserslautern, Germany, 2002.
3. and Fast linear programming models for constrained multileaf collimators in radiation therapy, Technical Report, Department of Mathematics, University of Kaiserslautern, Germany, 2003.
4. and Decomposition of integer matrices into consecutive ones matrices and application, Research Report, Department of Mathematics, University of Kaiserslautern, Germany, 2004.
5. Minimizing beam-on time in cancer radiation treatment using multileaf collimators