1. Plant Biochemistry;BONNER,1950
2. The Chemistry of Lignins;BRAUNS,1950
3. Pectic substances and pectic enzymes;DEUEL;Advances in Enzymes,1958
4. Submicroscopic Morphology of Protoplasm and its Derivatives;FREY-WYSSLING,1953
5. The Pectic Substances;KERTESZ,1951