"Masako IKEGAMI","The Nuclear and Human Beings Reconsidered: The decision to use the Atomic bombs reconsidered",,"The World","Iwanami","Vol. 872",,"pp. 184-191",2015,Aug.
"Masako Ikegami","「北方領土問題：創造的問題解決へ決意を」",,"共同通信 配信記事","共同通信社",,,,2015,Jan.