1. Wave energy: crests and troughs;Duckers;Renewable Energy,1994
2. Prototype testing of the wave energy converter wave dragon;Kofoed;Renewable Energy,2006
3. Experimental results from sea trials of an offshore wave energy system;Waters;Applied Physics Letters,2007
4. Claesson L. Energi från havets vågor. Efn-report No. 21, Energiforskningsnämnden, Stockholm, Sweden; 1987.