Historia de la Física. De Aristóteles a Ptolomeo - Engineers. http://www.tmth.edu.gr/en/aet/5.html. Hero of Alexandria; Philo of Bizantium; Sostratus of Cnidus. Mathematicians. http://www.tmth.edu.gr/en/aet/15 .
Historia de la Física. De Aristóteles a Ptolomeo - Engineers. http://www.tmth.edu.gr/en/aet/5.html. Hero of Alexandria; Philo of Bizantium; Sostratus of Cnidus. Mathematicians. http://www.tmth.edu.gr/en/aet/15 .