Ettre, L. S.; Sakodynskii, K. I. «M. S. Tswett and the discovery of chromatography II: Completion of the development of chromatography (1903–1910)». Chromatographia. Springer Science and Business Media LLC, 35, 5-6, 1993, pàg. 329–338. DOI: 10.1007/bf02277520. ISSN: 0009-5893.
Ettre, L. S.; Sakodynskii, K. I. «M. S. Tswett and the discovery of chromatography II: Completion of the development of chromatography (1903–1910)». Chromatographia. Springer Science and Business Media LLC, 35, 5-6, 1993, pàg. 329–338. DOI: 10.1007/bf02277520. ISSN: 0009-5893.