Articles on 13th Century in Science, Including: Roger Bacon, Pseudo-Geber, Witelo, Zakariya Al-Qazwini, Ibn Al-Nafis, Pierre de Maricourt, Gregory Choniades, Al-Dakhwar, Rashidun Al-Suri, Liber Abaci, Silver Nitrate, Corpuscularianism Book| ISBN: 9781244693661