". . .fully illustrated. . .well referenced. . ..shows the vitality of the membrane field in Japan. "---Chemistry & Industry". . .a valuable resource of information for industrialists and. . .a useful. . .introduction for undergraduate and postgraduate students. "---Trends in Polymer Science". . .a valuable addition to our literature. . ..a useful introduction to membranes as well as an easy-to-consult reference text for professionals in the field. "---Journal of Membrane Science