Guyon, F., Foucault, A., Caude, M., & Rosset, R. (1985). Separation of sugars by h.p.l.c. on copper silicate gel. Carbohydrate Research, 140(1), 135-8. https://doi.org/10.1016/0008-6215(85)85057-6 (Original work published 1985)