@Misc{BVMC:270766, author = {Descartes, René}, title = {Renati Des-Cartes Specimina philosophiae, seu Dissertatio de methodo ... Dioptrice, et Meteora}, url = {https://www.cervantesvirtual.com/obra/renati-des-cartes-specimina-philosophiae-seu-dissertatio-de-methodo-dioptrice-et-meteora} }