Author	Harker, S.D. and Sarjeant, W.A.S.
Year	1991
Journal	Neues Jahrbuch fur Geologie und Palõontologie, Monatshefte, p.707-710.
Title	Late Cretaceous (Campanian) organic-walled microplankton from the Interior Plains of Canada Wyoming and Texas: Validation of new taxa

Abstract Harker S.D. and Sarjeant, W.A.S., 1991: Late Cretaceous (Campanian) organic-walled microplankton from the Interior Plains of Canada Wyoming and Texas: Validation of new taxa; Neues Jahrbuch fur Geologie und Palõontologie, Monatshefte, p.707-710.