1. K. Okada, M. Tomita and Y. Tamura, Electrodialysis in the treatment of dairy products, Morinaga Milk Industry Co., Ltd., Tokyo, Japan.
2. Asahi Chemical Industry Co., Ion exchange membrane and its applications, Tokyo.
3. PROCESS APPLICATION OF ELECTRODIALYSIS
4. Asahi Glass Co., Ion exchange membranes Selemion, Tokyo.