1. Natural substances. The chemistry-biotechnology competition. The case of the amino-acids;Toromanoff;Biofutur,1986
2. Separation of amino acids by charged ultrafiltration membranes;Kimura;Abstracts Europe-Japan Congr. on Membranes and Membrane Processes, Stresa, Italy, June 18–22, 1984, Eur. Soc. Membrane Sci. Technol.,1984
3. Purification et possibilités de séparation des acides aminés par électrodialyse;Rumeau;Analusis,1988
4. Pression driven separation of l-amino acids from acetyl dl amino acid solutions through anion exchange-enzyme binding composite membranes;Tone;1987 Int. Congr. on Membranes and Membrane Processes, Tokyo, Japan, June 8–12,1987
5. Thorough removal from amino acid of mineral impurities by electrodialysis with ion exchange membranes;Zabolosky;Zh. Prikl. Khim.,1986