Authors: Ujjal K Gautam; Masataka Imura; Chandra Sekhar Rout; Yoshio Bando; Xiaosheng Fang; Benjamin Dierre; Leonid Sakharov; A Govindaraj; Takashi Sekiguchi; Dmitri Golberg; C N R Rao Journal: Proc Natl Acad Sci U S A Date: 2010-07-19 Impact factor: 11.205