Berlicki, Ł., L. Pilsl, E. Weber, István M. Mándity, C. Cabrele, Tamás A. Martinek, Ferenc Fülöp, and O. Reiser. 2012. “Unique Α,Β- And Α,Α,Β,Β-Peptide Foldamers Based On Cis-Β-Aminocyclopentanecarboxylic Acid”. Angewandte Chemie - International Edition 51. Gellman, S.H., (1998) Acc. Chem. Res., 31, pp. 173-180;: 2208–2212.