"SHIGENORI MARUYAMA,Masahiro Ikoma,Hidenori Genda,Tetsuya Yokoyama,Kei HIROSE,M. Santosh","The naked planet Earth: Most essential pre-requisite for the origin and evolution of life.",,"Geoscience Frontiers",,"Vol. 4",,"pp. 141-165",2013, "Satoru Nakashima,Masahiro Ikoma,Dai Shiota,Kiyoshi Nakazawa,Sigenori Maruyama","Geochemistry and the origin and evolution of life: A tentative summary and future perspectives",,"Geochemistry and the Origin of Life","Geochemistry and the Origin of Life",,,"pp. 329-246",2001,