@Book{BVMC:1258035,
author = {Turriano, Juanelo},
author = {Rojas Sarmiento, Juan de},
title = {Del planisferio libri sei (Ms. 2054)},
url = {https://www.cervantesvirtual.com/obra/del-planisferio-libri-sei-ms-2054-1258035}
}