Bucefalo Palliani and Riding, 1998
From dinoflaj3
Bucefalo Palliani, R. and Riding, J.B., 1998: The palynology of the Toarcian-Aalenian transition in the Wittnau borehole (Oberrhein, southwest Germany). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, v.210, no.2, p.143-184.