Water and ions in biological systems : proceedings of the 4th international conference held in Bucharest, Romania, May 24-28, 1987 - Läuger, P. (Peter); Packer, Lester; Vasilescu, V. (Vasile); International Conference on Water and Ions in Biological Systems; Romanian Biophysical Society; Academia de Știinţe Medicale; International Union for Pure and Applied Biophysics (Birkhäuser congress reports, 1988)