1. Model tests of Sigma wave energy converter: the lessons learned;Dragić;Int. J. Mar. Energy,2016
2. Sigma wave energy converter: prototype tests in rough seas;Dragić,2020
3. Systems and methods for converting energy of water waves to electrical energy, PhD thesis;Dragić,2014
4. Ocean wave power plant;Dragić,2010
5. Device for conversion of wave energy into electrical energy and the process for its deployment at the exploitation location;Dragić,2016