%0 Journal Article %T Magnetic circular dichroism studies. XVII. Magnetic circular dichroism spectra of proteins. A new method for the quantitative determination of tryptophan. %A Barth, G %A Voelter, W %A Bunnenberg, E %A Djerassi, C %J Journal of the American Chemical Society %V 94 %N 4 %P 1293-8 %@ 0002-7863 %D 1972-05-01 %~ DeepDyve