| [var. Pitchblende] Bisher, A. H. (2012). Primary uranium mineralization in paleochannels of the Um Bogma formation at Allouga Southwestern Sinai. Eleventh Arab Conference on the Peaceful Uses of Atomic Energy. Khartoum. Sudan. 16-20 December 2012 Wenle Zeng and Yuntao Zhang (2009): Acta Mineralogica Sinica 29(4), 502-506 |