Stereochemistry of polypeptide chain configurations by G. N. Ramachandran and others (source code)

= Stereochemistry of polypeptide chain configurations by G. N. Ramachandran and others
{c}
{tag=Work by G. N. Ramachandran}
{tag=Work by C. Ramakrishnan}
{tag=Work by V. Sasisekharan}
{title2=1963}

https://doi.org/10.1016/S0022-2836(63)80023-6

Journal of Molecular Biology 7, 95–99. Backbone torsion-angle representation and steric restrictions.