Equilibria in the ion exchange systems Hð́℗£-CSð́℗£, Hð́℗ø-Srð́℗ø, Hð́℗£-Ceð́℗đ, Csð́℗£-Srð́℗ø, Srð́℗ø-Ceð́℗đ, Hð́℗£-Csð́℗£-Srð́℗ø, Hð́℗£-Csð́℗£-Ceð́℗đ and Hð́℗£-Srð́℗ø-Ceð́℗đ

by Walter Meyer