https://aboutbasquecountry.eus/en/2013/06/20/truths-about-the-bombing-of-guernica-by-xabier-de-irujo-professor-at-the-unr-center-for-basque-studies/
Truths about the Bombing of Guernica, by Xabier de Irujo, professor at the UNR Center for Basque Studies