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Kahru, M., Kaasik, E., Leeben, A.
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Spatio-temporal mosaic of the phytoplankton spring bloom in the open Baltic Sea in 1986 (1990)
Kahru, M., Leppänen, J.-M., Nommann, S., Passow, U., Postel, L., Schulz, S.
Marine ecology progress series, vol. 66, 301-309