Noti, C., & Seeberger, P. H. (2005). Synthetic approach to define structure-activity
relationship of heparin and heparan sulfate. In H. G. Garg, R. J. Linhardt, & C. A. Hales (Eds.),
Chemistry and Biology of Heparin and Heparan Sulfate (pp. 79-142). Amsterdam: Elsevier.