[1] Deep water- the next step for offshore wind energy, EWEA report, July 2013, Available online at http://www.ewea.org/fileadmin/files/library/publications/reports/Deep_Water.pdf

[2] Wind in our sails, EWEA report, Nov 2011 , Available online at http://www.ewea.org/fileadmin/files/library/publications/reports/Offshore_Report.pdf

[3] The European offshore wind industry-key trends and statistics 2012, EWEA report January 2013, Available online at https://www.ewea.org/fileadmin/files/library/publications/statistics/European_offshore_statistics_2012.pdf

[4] wind energy handbook, chapter 11: Offshore wind turbines and wind farms, p.613

[5] “Connecting Large Offshore Wind Farms to the Transmission Network”, Koch H. & Retzmann D., 2010, T&D Conference, New Orleans

[6] “A Guide to UK Offshore Wind Operations and Maintenance”, The Crown Estate report, January 2014, available online at DODAC STR

[7] “Special  Purpose  Ships  (SPS)  Code-Application  to Offshore Vessels”, Marine & Coastguard Agency of the UK, point 1.1, Available online at DODAC STR

[8] “Securing Jack-up Foundations”, by Albért M.,DBB Jack-up Services, Available online at: http://www.offshorewind.biz/2014/11/17/securing-jack-up-foundation/

[9] “Guidelines for the Selection and Operation of Jack-ups in the Marine  Renewable Energy Industry”, RenewableUK, Issue2:2013

[10] “Marine Transfer of personnel: step change in safety: working together to continuously improve our safety performance”

[11] “A review of offshore windfam related underwater noise sources”, Dr Nedwell J. & Howell D., Oct 2004, Report No.544 R 0308, p. 18-43, Available online at: http://www.subacoustech.com/wp-content/uploads/544R0308.pdf

[12] “Concerted action for offshore wind energy deployment (COD); Overview of Environmental Impacts of  Offshore Wind Energy”, Roth, E.M., Verhoef, L.A. & Dingenouts M.W.L., Spetember 2004, p.26-38

[13] “O&M Aspects of the 500 MW Offshore Wind Farm at NL7”, Rademakers L.W.M.M. & Braam,H., July 2002, Available online at: https://www.ecn.nl/fileadmin/ecn/units/wind/docs/dowec/10080_002.pdf

[14] “Wind Farm O&M: Predictive vs. Preventative Maintenance”, Harman, J., January 2012, Wind Energy Update: Operation & Maintenance, Available online at: http://social.windenergyupdate.com/operations-maintenance/wind-farm-om-predictive-vs-preventative-maintenance

[15] “Maintenance Optimisation for Wind Turbines” Andrawus J.A., Doctoral thesis, The Robert Gordon University, April 2008, p.4-5, Available online at: https://openair.rgu.ac.uk/bitstream/10059/268/1/AndrawusThesis.pdf

[16] “Danish offshore strategy moves closer to shore”, Gill, E., Wind Power Monthly, Dec 2012, Available online at: http://www.windpowermonthly.com/article/1161698/danish-offshore-strategy-moves-closer-shore

[17] “Concept design Offshore Wind-Farm Vessel (WMV) launched”,Montrose, January 2011, Offshore Ship Designers, Available online at: http://www.offshoreshipdesigners.com/news/latest-news/concept-design-offshore-wind-farm-vessel-wmv-launched/

[18] Round 3 Zone Map, Siemens, Available online at http://www.siemens.co.uk/en/wind/round-3-zone-map.htm

[19] Development Rounds, Renewables UK, Available online at: http://www.renewableuk.com/en/renewable-energy/wind-energy/offshore-wind/development-rounds.cfm

[20]The Fleet, Intership, Available online at: http://barges.com/fleet/

[21] Accommodation & Work Barge, Dalby Offshore,Available online at: http://www.dalbyoffshore.com/accommodation-and-work-barge

[22] I.W.M.M Rademakers and H.Braam, “O&M Aspects of the 500MW Offshore Wind Farm NL7,” Dept. Aerosp. Eng., TU Delft, Delft , DOWEC 10080 Rev 2, ECN Project Nr: 7.41218.11.10- Jul. 2002

[23] F. Spinato et al., “Reliability of wind turbine subassemblies” IET Renew. Power Gener., Vol. 3, Iss. 4, pp. 1– 15, Sept. 2008. 

[24] S. S. Sheng, “Report om Wind Turbine Subsystem Reliability-A Survey of Various Databases”, National Renewable Energy Laboratory, US. Department of Energy, NREL/PR-5000-59111, Jun.  , 2013

[25] “M/V Wind Server Wind Turbine Service Jackup Vessel, Denmark”, Available online at: http://www.ship-technology.com/projects/mv-wind-server-wind-turbine-service-jack-up-vessel/