1
Graph-Theoretic Concepts in Computer Science [E-Book] : 39th International Workshop, WG 2013, Lübeck, Germany, June 19-21, 2013, Revised Papers /
2
Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques [E-Book] : 16th International Workshop, APPROX 2013, and 17th International Workshop, RANDOM 2013, Berkeley, CA, USA, August 21-23, 2013. Proceedings /