| Balancing profits and costs on trees. | 7 | 0.53 | 2013 |
| Approximation schemes for bi-objective combinatorial optimization and their application to the TSP with profits. | 8 | 0.51 | 2013 |
| A two-phase method for bi-objective combinatorial optimization and its application to the TSP with profits. | 1 | 0.35 | 2012 |
| A case study for the handling of data in a skimming control system | 0 | 0.34 | 2009 |
