@Book{BVMC:941671, author = {Ptolomeo, Claudio}, title = {La geografia di Claudio Ptolomeo Alessandrino}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2019}, year = {2019}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0941671} }