The following publications are possibly variants of this publication:
- Discrete Particle Swarm Optimization for the Minimum Labelling Steiner Tree ProblemS. Consoli, José A. Moreno-Pérez, Ken Darby-Dowman, Nenad Mladenovic. In Natalio Krasnogor, Giuseppe Nicosia, Mario Pavone, David A. Pelta, editors, Nature Inspired Cooperative Strategies for Optimization (NICSO 2007). Volume 129 of Studies in Computational Intelligence, pages 313-322, Springer, 2007. [doi]