You have requested access to download the full text of the source (SourceID: 287176):
Witkowski, J.; Sims, P. A.; Williams, D. M. (2017). Typification of Eocene–Oligocene diatom taxa proposed by Grove & Sturt (1886–1887) from the Oamaru Diatomite. Diatom Research. 32(4): 363-408.