5FAGERHOLT K. Designing Optimal Routes in a Liner Shipping Problem [ J ]. Maritime Policy & Management, 2004,31 (4) :259-268.
6RAFAL S. A New Method of Ship Routing on Raster Grids, with Turn Penalities and Collision Avoidance [ J ]. Journal of Navigation,2006,59( 1 ) : 371-384.
7THEUNISSEN E, De GROOT C A, SABELIS H, KOENERS G J M. Nautical and Aeronautical Electronic Charting/Navigation Systms-Developments, Similarities and Differences [ A ]. Proceedings of the 23rd Digital Avionics Systems Conference [C]. Salt Lake City:IEEE, 2004.1-12.