Plastered? Stone wall covering in Spanish vernacular architecture

Andoni Alonso, Inaki Arzoz, and Nicanor Ursua don’t provide sources for any of their often startling claims in this piece on “neo-vernacular” architecture in Navarre, so there’s no way of checking up on their thesis that Franco was responsible for the destruction of 75% of what they refer to as “genuine vernacular architecture”, damaging “profoundly…