著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Serge Y. Maestrini and Maija Balode and Christian Bechmin,"Nitrogen as the nutrient limiting the algal growth potential,for summer natural assemblages in the Gulf of Riga,eastern Baitic Sea",Plankton Biology and Ecology,13430874,Hakodate : Plankton Society of Japan,1999-02,46,1,1-7,https://cir.nii.ac.jp/crid/1520572359918936320,