TY - RPRT TI - Conodont biostratigraphy of the Permian-Triassic boundary sequence at Lung Cam, Vietnam AU - Bruce R. Wardlaw AU - Merlynd K. Nestell AU - Galina P. Nestell AU - Brooks B. Ellwood AU - Luu Thi Phuong Lan PY - 2015 UR - https://pubs.usgs.gov/publication/70187774 ID - 70187774 ER -