WITNESS

Bāb fī maʿrifah khaṭṭ niṣf al-nahār_Florence_Biblioteca Medicea Laurenziana_Orientali_152

References

Sabra, Abdelhamid. 1977. “Maqālat Al-Ḥasan Ibn Al-Ḥasan Ibn Al-Haytham Fī Al-Athar Al-Ẓāhir Fī Wajh Al-Qamar [Ibn Al-Haytham's ‘Treatise On The Marks Seen On The Surface Of The Moon’]”. Journal For The History Of Arabic Science 1: 166-180.

Pp. 280-81.