2002 | ||
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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] |