Tectono-metamorphic evolution of the far-Eastern Nepal Himalaya - Rai, Santa M; Sakai, H; Upreti, Bishal N; Takigami, Yutaka; Ghimire, Subesh; Koirala, Dibya R; Gautam, Tej P; Sonyok, Desh R; Poudel, Chandra P (Himalayan Journal of Sciences, 2008)