+@article{0031-9155-44-1-012,
+ author={Eva K Lee and Richard J Gallagher and David Silvern and Cheng-Shie Wuu and Marco Zaider},
+ title={Treatment planning for brachytherapy: an integer programming model, two computational approaches and experiments with permanent prostate implant planning},
+ journal={Physics in Medicine and Biology},
+ volume={44},
+ number={1},
+ pages={145},
+ url={http://stacks.iop.org/0031-9155/44/i=1/a=012},
+ year={1999}
+}
+