Pfannkuche, Olaf (2003): Chlorophyll pigment equivalents from surface sediment at station M21/6_MC441. PANGAEA, https://doi.org/10.1594/PANGAEA.95150, In: Pfannkuche, O (2003): Biogeochemistry on 396 surface sediment profiles from the Atlantic Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.758765