Stationary phase in paper and thin-layer chromatography. Proceedings of the 2nd symposium held at Liblice June 10-12, 1964. Organized by the Chromatography group of the Czechoslovak Chemical Society /
Czechoslovak Chemical Society (Prague). - Chromatography Group.
Macek, K.
Hais, I. M.
Doležalova, L.
Liebster, J.
Amsterdam; London, 
1965.