Millioud, 1969
From dinoflaj2
Millioud, M.E., 1969: Dinoflagellates and acritarchs from some western European Lower Cretaceous type localities. In: Brönnimann, P. and Renz, H.H. (editors), 1st International Conference on Planktonic Microfossils, Geneva, 1967, Proceedings, v.2, p.420-434, pl.1-3; E.J. Brill, Leiden, The Netherlands.