Sarjeant, 1961a
From dinoflaj2
Sarjeant, W.A.S., 1961a: Microplankton from the Kellaways Rock and Oxford Clay of Yorkshire. Palaeontology, v.4, no.1, p.90-118, pl.13-15.
Sarjeant, W.A.S., 1961a: Microplankton from the Kellaways Rock and Oxford Clay of Yorkshire. Palaeontology, v.4, no.1, p.90-118, pl.13-15.
