Fabien Tricoire, Martin Romauch, Karl Dörner, Richard F. Hartl,
"Heuristics for the multi-period orienteering problem with multiple time windows"
, in Computers and Operations Research, Vol. 37, Nummer 2, Seite(n) 351-367, 2010, ISSN: 0305-0548
Original Titel:
Heuristics for the multi-period orienteering problem with multiple time windows