Luna, Luis. “Xavier Frías Conde in the Collection ‘O Roibén’, the Relevant Poetical Contribution of One of the Founders of the Grupo Bilbao”. Madrygal. Revista de Estudios Gallegos 15 (June 14, 2012): 77–85. https://doi.org/10.5209/rev_MADR.2012.v15.39196.