Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Arne Haug and Kerstin Claeson and Svend E. Hansen and R. Sömme and Einar Stenhagen and H. Palmstierna,Fractionation of Alginic Acid.,Acta Chemica Scandinavica,0904-213X,Danish Chemical Society,1959,13,,601-603,https://cir.nii.ac.jp/crid/1364233268655104384,https://doi.org/10.3891/acta.chem.scand.13-0601