by Kepkay, P.E., Niven, S.E.H., Jellett, J.F.
Published in Journal of plankton research (01.03.1997)

by Niven, S.E.H., Kepkay, P.E., Boraie, A.
Published in Deep-sea research. Part II, Topical studies in oceanography (1995)

by Niven, Sherry E.H, Moore, Robert M
Published in Geochimica et cosmochimica acta (01.05.1993)