E. B. Nielsen

The absorption spectra of simple amides and peptides.

J. Schellman, E. B. Nielsen, E. Nielsen, 1967, The Journal of physical chemistry.

The rotatory properties of molecules containing two peptide groups: theory.

P. Bayley, J. Schellman, J A Schellman, 1969, The Journal of physical chemistry.

Spectra of amides. Theoretical considerations

J. Schellman, E. B. Nielsen, E. Nielsen, 1967 .

Rotatory properties of molecules containing two peptide groups: experimental and theoretical results

J. Schellman, E. B. Nielsen, E. Nielsen, 1971, Biopolymers.