Yamamoto, Koshi; Asahara, Yoshihiro; Maekawa, Hirokazu; Sugitani, Kenichiro (1995): Origin of blueschist-facies clasts in the Mariana forearc, Western Pacific. Geochemical Society of Japan, Nagoya, Japan, Geochemical Journal, 29 (4), 259-275, georefid:1996-039016