Marret et al., 2001
From dinoflaj3
Marret, F., de Vernal, A., Pedersen, T.F. and McDonald, D., 2001: Middle Pleistocene to Holocene palynostratigraphy of Ocean Drilling Program Site 887 in the Gulf of Alaska, northeastern North Pacific. Canadian Journal of Earth Sciences, v.38, no.3, p.373-386.