@book{bhlpg46139571, title = {Boletín de la Sociedad Aragonesa de Ciencias Naturales }, volume = {t.17 (1918)}, url = {https://www.biodiversitylibrary.org/page/46139571}, publisher = {Librería Editorial de Cecilio Gasca}, author = {Sociedad Aragonesa de Ciencias Naturales. }, year = {1918}, pages = {Page 71}, } @book{bhlpg29643427, title = {Bulletin de la Société botanique de France }, volume = {v.68 (1921)}, url = {https://www.biodiversitylibrary.org/page/29643427}, publisher = {La Société}, author = {Centre national de la recherche scientifique (France) }, year = {1921}, pages = {Page 407}, }