Guerstein et al., 2004
From dinoflaj3
Guerstein, G.R., Guler, M.V. and Casadío, S., 2004: Palynostratigraphy and palaeoenvironments across the Oligocene-Miocene boundary within the Centinela Formation, southwestern Argentina. In Beaudoin, A.B. and Head, M.J. (editors), The palynology and micropalaeontology of boundaries; Geological Society, London, Special Publications, no.230, p.325-343.