United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.Astronautics and Aeronautics, 1964: Chronology on Science, Technology and Policy. — Scientific and Technical Information Division, National Aeronautics and Space Administration, 1965. — P. 398.Источник (неопр.). Дата обращения: 13 марта 2021. Архивировано 5 февраля 2021 года.
Bailey, Clinton (1974). "Bedouin Star-Lore in Sinai and the Negev". Bulletin of the School of Oriental and African Studies, University of London (abstract). 37 (3): 580—96. doi:10.1017/S0041977X00127491. JSTOR613801.
Desikachary K, Hearnshaw JB. The spectrum of Canopus. II - Analysis and composition (англ.) // Royal Astronomical Society, Monthly Notices. — 1982. — Vol. 201. — P. 707—721. — Bibcode: 1982MNRAS.201..707D.
jstor.org
Bailey, Clinton (1974). "Bedouin Star-Lore in Sinai and the Negev". Bulletin of the School of Oriental and African Studies, University of London (abstract). 37 (3): 580—96. doi:10.1017/S0041977X00127491. JSTOR613801.
United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.Astronautics and Aeronautics, 1964: Chronology on Science, Technology and Policy. — Scientific and Technical Information Division, National Aeronautics and Space Administration, 1965. — P. 398.Источник (неопр.). Дата обращения: 13 марта 2021. Архивировано 5 февраля 2021 года.