| |
| 2005 | ||
|---|---|---|
| 2 | EE | Michael P. Johnson, Wilpen Gorr, Stephen Roehrig: Location of Service Facilities for the Elderly. Annals OR 136(1): 329-349 (2005) |
| 2001 | ||
| 1 | EE | Wilpen Gorr, Michael Johnson, Stephen Roehrig: Spatial decision support system for home-delivered services. Journal of Geographical Systems 3(2): 181-197 (2001) |
| 1 | Wilpen Gorr | [1] [2] |
| 2 | Michael Johnson | [1] |
| 3 | Michael P. Johnson | [2] |