Improving the location of minisum facilities through network modification. - Oded Berman; Divinagracia I. Ingco; Amedeo R. Odoni (Ann. Oper. Res., 1992)

Improving the location of minimax facilities through network modification. - Oded Berman; Divinagracia I. Ingco; Amedeo R. Odoni (Networks, 1994)