AL-YOUZBAKEY, Kotayba Tawfiq; AL-DABBAGH, Salim Mahmood. The Crystal Chemistry of Francolite in Akashat Phosphorites  (Middle Paleocene), Iraqi Western Desert. Journal of natural sciences, life and applied sciences, New Mexico, United States, v. 4, n. 4, p. 66–52, 2020. DOI: 10.26389/AJSRP.Q170620. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jnslas/article/view/3159. Acesso em: 20 dec. 2025.