Topographical survey of end moraine and dead ice area at Imja Glacial Lake in 2001 and 2002 A. Sakai, M. Saito, K. Nishimura, T. Yamada, Y. Iizuka, K. Harada, S. Kobayashi, K. Fujita and C. B. Gurung:29-36 掲載号: BGR Vol. 24 (2007)