Quan a classe érem tres-cents https://www.upc.edu/idp/ca/llibres/serveis-editorials/llibres/quan-a-classe-erem-tres-cents https://www.upc.edu/idp/++resource++plone-logo.svg Quan a classe érem tres-cents Quan a classe érem tres-cents Homenatge a Xavier Rubert de Ventós