He Chengquan et al., 1999
From dinoflaj2
He Chengquan, Wan Chuanbiao and Yang Mingjie, 1999: Hauterivian-Barremian dinoflagellates from the Longzhaogou Group of the H87-3 well in Hulin Basin, eastern Heilongjiang, NE China. Acta Palaeontologica Sinica, v.38, no.2, p.183-202, pl.1-4. (In Chinese with English summary.)
