1. Ando T, Watanabe S (1969) Int J Peptide Protein Res 1:221–224
2. Balian G, Click EM, Bornstein P (1971) Biochemistry 10:4470–4478
3. Barker WC (1972a) In: Dayhoff MO (ed) Atlas of protein sequence and structure, vol 5, National Biomedical Research Foundation, Washington DC, p D-166
4. Barker WC (1972b) In: Dayhoff MO (ed) Atlas of protein sequence and structure, vol 5, National Biomedical Research Foundation, Washington DC, p D-133
5. Barker WC, Dayhoff MO (1972) Detecting distant relationships: computer methods and results. In: Dayhoff MO (ed) Atlas of protein sequence and structure, vol 5, National Biomedical Research Foundation, Washington DC, pp 101–110