Barfield, M Conformational dependence of vicinal H-N-C-H coupling constants in peptides. [electronic resource] - Journal of the American Chemical Society Jan 1973 - 641-3 p. digital Publication Type: Journal Article ISSN: 0002-7863 Standard No.: 10.1021/ja00783a085 doi Subjects--Topical Terms: Molecular ConformationPeptides