BibTex format
@article{Valsera-Naranjo:2011:10.1002/etep.535,
author = {Valsera-Naranjo, E and Sumper, A and Gomis-Bellmunt, O and Junyent-Ferre, A and Martinez-Rojas, M},
doi = {10.1002/etep.535},
journal = {EUROPEAN TRANSACTIONS ON ELECTRICAL POWER},
pages = {1984--2006},
title = {Pitch control system design to improve frequency response capability of fixed-speed wind turbine systems},
url = {http://dx.doi.org/10.1002/etep.535},
volume = {21},
year = {2011}
}