Помогите, пожалуйста, со статьями и Journal of Chromatography:
1) J. C. Gfeller, G. Frey and R. W. Frei
Post-column derivatization in high-performance liquid chromatography using the air segmentation principle: application to digitalis glycosides
Journal of Chromatography
Volume 142, 11 November 1977, Pages 271-281
Код: Выделить всё
http://dx.doi.org/10.1016/S0021-9673(01)92044-8
A comparison of reversed-phase and partition high-performance liquid chromatography of some digitalis glycosides
Journal of Chromatography A
Volume 130, 11 January 1977, Pages 169-180
Код: Выделить всё
http://dx.doi.org/10.1016/S0021-9673(00)89793-9
W. Lindner, R. W. Frei
Journal of Chromatography A
Volume 117, Issue 1, 4 February 1976, Pages 81-86
Код: Выделить всё
http://dx.doi.org/10.1016/S0021-9673(00)81068-7