TY - SER AU - Otsuki, Akira AU - Omi, Takehiko AU - Hashimoto, Shinya AU - Aizaki, Morihiro TI - Hplc Fluorometric Determination of Natural Phytoplankton Phycocyanin and Its Usefulness As Cyanobacterial Biomass in Highly Eutrophic Shallow Lake KW - Hplc KW - Phytoplankton KW - Phycocyanin ER -