Cost-benefit analysis on crew transfer vessels to minimize downtime of future wind parksSmid, Siemon; Mala, Olga; Rannala, MarekDesign & Operation of Wind Farm Support Vessels, 8-9 Northumberland Street, London, UK : papers2014 / p. 83-89 Cost-benefit analysis on crew transfer vessels to minimize downtime of future wind parks [Online resource]Smid, Siemon; Mala, Olga; Rannala, Marek2013