Goldfarb, A. R. et al., (1951). "The Ultraviolet Absorption Spectra of Proteins", J. Biological Chem., nr 193, lk 397–404. www.jbc.org Kasutatud 29.10.2016 (inglise)
nih.gov
ncbi.nlm.nih.gov
Alberts B. et al. Molecular Biology of the Cell. 4th edition, ptk The Shape and Structure of Proteins. New York: Garland Science; 2002.www.ncbi.nlm.nih.gov Kasutatud 29.10.2016 (inglise)
Berg J. M., Tymoczko J. L., Stryer L. Biochemistry. 5th edition, ptk 3.2 Primary Structure: Amino Acids Are Linked by Peptide Bonds to Form Polypeptide Chains. New York: W H Freeman; 2002. www.ncbi.nlm.nih.gov Kasutatud 29.10.2016 (inglise)