Router: A Fast and Flexible Local Search Algorithm for a Class of Rich Vehicle Routing Problems. - Ulrich Derigs; Thomas Döhmer (OR, 2004)

Some Remarks on the GIST Approach for the Vehicle Routing Problem with Pickup and Delivery and Time Windows (VRPPDTW). - Ulrich Derigs; Thomas Döhmer (OR, 2005)

Indirect search for the vehicle routing problem with pickup and delivery and time windows. - Ulrich Derigs; Thomas Döhmer (OR Spectr., 2008)