On-line and off-line vertex enumeration by adjacency lists. - Pey-Chun Chen; Pierre Hansen; Brigitte Jaumard (Oper. Res. Lett., 1991)

Solution of the Multisource Weber and Conditional Weber Problems by D.-C. Programming. - Pey-Chun Chen; Pierre Hansen; Brigitte Jaumard; Hoang Tuy (Oper. Res., 1998)