BIBLIOGRAPHY OF PAPER AND THIN-LAYER CHROMATOGRAPHY (Editors: Karel Macek. Ivo M. Hais, Jan Kopecky, Jiri Gasparic, Vlastimil Rábek, Jaroslav Churácek): Bibliography of Paper and Thin-Layer Chromatography 1966-1969 and Survey of Applications. (Supplementary Volume Nº 2, 1972) / Editors: Karel Macek. Ivo M. Hais, Jan Kopecky, Jiri Gasparic, Vlastimil Rábek, Jaroslav Churácek