Devonian-Carboniferous transition in the Pho Han Formation on Cat Ba Island, northeastern Vietnam.
Komatsu, T; Takashima, R; Naruse, H; Phuong, T.H; Dang, T.H; Nguyen, D.P; Dinh, C.T; Ho, T.C; Tran, T.V; Kato, S; Maekawa, T
he Journal of the Geological Society of Japan, 2012年