@article{BerthDautzenbergPeter1998,
  author    = {Berth, Gisela and Dautzenberg, Herbert and Peter, Martin G.},
  title     = {Physica-chemical characterization of chitosans in dilute solution},
  isbn      = {2-907922-57-2},
  year      = {1998},
  language  = {en}
}
@article{BerthDautzenbergPeter1998,
  author    = {Berth, Gisela and Dautzenberg, Herbert and Peter, Martin G.},
  title     = {Physico-chemical characterization of chitosans varying in degree of acetylation},
  issn      = {0144-8617},
  year      = {1998},
  language  = {en}
}