• An inverse shortest path approach to find forwarder productivity functions 

      Søvde, Nils Egil; Astrup, Rasmus Andreas; Talbot, Bruce (Journal article; Peer reviewed, 2018-06-05)
      This paper presents an optimization model designed to find productivity functions for timber forwarding. Timber forwarding or skidding has for some 25 years been calculated using shortest path formulations on grid networks. ...