In English
March 2019, «IK4 – IKERLAN» Web-page:
https://www.ikerlan.es/en/wind-industry
August 2018, «Wind Energy Network», Issue 45, Pg. 67 (HWS & AIRCRANE):
https://online.flowpaper.com/7ac10783/WEN45WEB/#page=67
April 2018, «Government Europa», Quarterly 25, Pg. 132-133 (AIRCRANE):
In Spanish:
May 8th, 2019, «Cluster de la Energía. Euskadi – Basque Country» (AIRBASE):
April 2019, «Blog Kiko Maza» (AIRCRANE):
https://www.kikomaza.com/energia/top10-repaso-a-windeurope-2019/
February 2019, «BANTEC Group Blog»:
March 1st, 2018, «Cluster de la Energía. Euskadi – Basque Country»:
March 21th, 2018: «Ayuntamiento de San Sebastián – Donostia (Spain)»: