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| 2002 | ||
|---|---|---|
| 2 | EE | Yoshiaki Ohsawa, Hirofumi Kagaya, Takeshi Koshizuka: Map projection errors in the Weber problem. Journal of Geographical Systems 4(3): 325-342 (2002) |
| 1991 | ||
| 1 | Takeshi Koshizuka, Osamu Kurita: Approximate formulas of average distances associated with regions and their applications to location problems. Math. Program. 52: 99-123 (1991) | |
| 1 | Hirofumi Kagaya | [2] |
| 2 | Osamu Kurita | [1] |
| 3 | Yoshiaki Ohsawa | [2] |