Authors: Grant, GD Hunt, AL Milne, PJ Roos, HM Joubert, JA

Citation: Gd. Grant et al., The structure and conformation of the tryptophanyl diketopiperazines cyclo(Trp-Trp)center dot C2H6SO and cyclo(Trp-Pro), J CHEM CRYS, 29(4), 1999, pp. 435-447