Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BLOKKER P.,"Chemical structure of algaenans from the freshwater algae Tetraedron minimum, Scenedesmus communis and Pediastrum boryanum",Org Geochem,,,1998,29,,1453-1468,https://cir.nii.ac.jp/crid/1572261551081006848,https://doi.org/10.1016/s0146-6380(98)00111-9