1. «WWEA Quarterly Bulletin. Wind Energy Around the World,»;WWEA;The Worl Sets New Wind Installations Record,2016
2. «Energy and Climate Change. World Energy Outlook Special Report;IEA,2015
3. «Efficiency assessment of wind farms in China using two-stage data envelopment analysis,»;Wu;Energy Conversion and Management,2016
4. «Do current wind farms in Spain take maximum advantage of spatiotemporal balancing of the wind resource?,»;Santos-Alamillos;Renewable Energy,2016
5. «New system of precast concrete towers for wind farms (in Spanish),» Academic Project;de la Fuente,2007