Kiyomi Yamashita CMC WWW Kawaura, Kawakami, and Yamashita (1998) 1999 1997 7 1529 377 Kawaura, et al.(1998) 1999 Kawaura et al. Table 1 Table 1 1999 Fig.1 Fig. 1 2003 Kawaura et al. 4 Kawauraetal. 2004 8 1994 2000 2003 (Fig. 2 ) Fig. 2004 Table 2 (%) 5 1994 1994 Miura & Yamashita, 1994 2004 3 1142 Table2 (1999 ) 250 (2000-2002) 314 (2003-) 578 3 Table3 (2000-2002) / Table 3 (%) ReadMe!Japan hauN t