News, A. (2015). Four Elements Added to the Periodic Table. , 11(4), 5-9.
APS News. "Four Elements Added to the Periodic Table". , 11, 4, 2015, 5-9.
News, A. (2015). 'Four Elements Added to the Periodic Table', , 11(4), pp. 5-9.
News, A. Four Elements Added to the Periodic Table. , 2015; 11(4): 5-9.


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