Ferro, D. R. Provasoli, A. (1990). "Conformer populations of L-iduronic acid residues in glycosaminoglycan sequences". Carbohydr. Res.195 (2): 157–167. PMID2331699. doi:10.1016/0008-6215(90)84164-P.
Ferro, D. R. Provasoli, A. (1990). "Conformer populations of L-iduronic acid residues in glycosaminoglycan sequences". Carbohydr. Res.195 (2): 157–167. PMID2331699. doi:10.1016/0008-6215(90)84164-P.