Sakamoto, M., Tilzer, M. M., Gächter, R., Rai, H., Collos, Y., Tschumi, P., … Nusch, E. A. (1984). Joint field experiments for comparisons of measuring methods of photosynthetic production. Journal of Plankton Research, 6(2), 365-383. https://doi.org/10.1093/plankt/6.2.365