@inproceedings{sgem2015s17015, title = {COMPARATIVE ANALYSIS OF A COUNTER ROTATING WIND TURBINE TESTING RESULTS}, author = {Gabriela Oprina}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ENERGY AND CLEAN TECHNOLOGIES}, year = {2015}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2015/b41/s17.015} }