| Article ID: | iaor200950379 |
| Country: | Germany |
| Volume: | 3 |
| Issue: | 1 |
| Start Page Number: | 109 |
| End Page Number: | 121 |
| Publication Date: | Jan 2009 |
| Journal: | Optimization Letters |
| Authors: | Maculan Nelson, Liberti Leo, Zhang Yue |
| Keywords: | optimization |
We use reformulation techniques to model and solve a complex sphere covering problem occurring in the configuration of a gamma ray machine radiotherapy equipment unit.