W. A. G. HASSANIEN, O. A. N. DESOUKY, and S. S. E. HUSSIEN, “Bioleaching of some Rare Earth Elements from Egyptian Monazite using Aspergillus ficuum and Pseudomonas aeruginosa”, Walailak J Sci & Tech, vol. 11, no. 9, pp. 809–823, Dec. 2013.