Miller, Kenneth G; Wright, James D; Brower, Andrew N (1990): (Table 4) ODP Site 108-667 biostratigraphic datum levels. PANGAEA, https://doi.org/10.1594/PANGAEA.746532, In supplement to: Miller, KG et al. (1989): Oligocene to Miocene stable isotope stratigraphy and planktonic foraminifer biostratigraphy of the Sierra Leone Rise (DSDP Site 366 and ODP Site 667). In: Ruddiman, W; Sarnthein, M; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 108, 279-294, https://doi.org/10.2973/odp.proc.sr.108.177.1989