Text ( visual ) : unmediated A bicriteria Euclidean location associated with maxmin and minmax criteria / by Yoshiaki Ohsawa. -- Tsukuba : University of Tsukuba , 1998. -- i, 13 leaves : ill. ; 30 cm. -- (Institute of Policy and Planning Sciences discussion paper series ; no. 791). -- (BA39056142) ; https://ci.nii.ac.jp/ncid/BA39056142 Author Heading(s): 大澤, 義明