اورانیوم: نوسخه‌لر آراسینداکی فرق

*[http://books.google.com/?id=j-Xu07p3cKwC&printsec=frontcover ,Nature's Building Blocks: An A to Z Guide to the Elements,Oxford University Press,Oxford,isbn=0-19-850340-7,John Emsley,476–482]

*The Encyclopedia of the Chemical Elements,Uranium,1968 Glenn T. Seaborg,Reinhold Book Corporation,kokie, Illinois,773–786,LCCCN 68-29938