1. Chun Liu, Andreas Kroll: Memetic algorithms for optimal task allocation in multi-robot systems for inspection problems with cooperative tasks, Soft Computing, 19, 3, 567-584, 10.1007/s00500-014-1274-0, https://link.springer.com/article/10.1007/s00500-014-1274-0, 2015
2. Chun Liu, Andreas Kroll: On Designing Genetic Algorithms for Solving Small- and Medium-Scale Traveling Salesman Problems, International Symposium on Swarm Intelligence and Differential Evolution SIDE 2012, 283-291, LNCS 7269, https://dx.doi.org/10.1007/978-3-642-29353-533, 2012
3. Chun Liu, Andreas Kroll: A Centralized Multi-Robot Task Allocation for Industrial Plant Inspection by Using A* and Genetic Algorithms, 11th International Conference on Artificial Intelligence and Soft Computing ICAISA 2012, 466-474, LNCS 7268, https://dx.doi.org/10.1007/978-3-642-29350-456, 2012
4. Chun Liu: On Designing Genetic Algorithms for Solving Small- and Medium-Scale Traveling Salesman Problems, Technical report, MRT-Nr. TR-009, 2012
5. Chun Liu: A Centralized Path Planning and Multi-Robot Task Allocation for Inspection Problems by Using A* and Genetic Algorithm, Technical report, MRT-Nr. TR-010, 2012
6. Chun Liu: Literature Review on Methods of Task Allocation in Multi-Robot Systems, Technical report, MRT-Nr. TR-003, 2010
7. Chun Liu: Characteristics of Mobile Multi-Robot Systems in Industrial Plant Inspection, Technical note, MRT-Nr. TN-003, 2010