Author	Benedek, P.N. and Sarjeant, W.A.S.
Year	1981
Journal	Nova Hedwigia vol.35 pp.313-356 pl.6
Title	Dinoflagellate cysts from the Middle and Upper Oligocene of Toenisberg (Niederrheingebiet): a morphological and taxonomic restudy

Abstract Benedek, P.N. and Sarjeant, W.A.S., 1981; Dinoflagellate cysts from the Middle and Upper Oligocene of Toenisberg (Niederrheingebiet): a morphological and taxonomic restudy. Nova Hedwigia vol.35 pp.313-356 pl.6