TY - JOUR A1 - Berth, Gisela A1 - Dautzenberg, Herbert A1 - Peter, Martin G. T1 - Physica-chemical characterization of chitosans in dilute solution Y1 - 1998 SN - 2-907922-57-2 ER - TY - JOUR A1 - Berth, Gisela A1 - Dautzenberg, Herbert A1 - Peter, Martin G. T1 - Physico-chemical characterization of chitosans varying in degree of acetylation Y1 - 1998 SN - 0144-8617 ER -