Water-rock interaction a collection of papers presented to the 4. Internat. Symposium on Water-Rock Interaction (W.R.I.) organized by the Sub-Group on Water-Rock Interaction, a part of the Comm. on Hydrogeochemistry of the Internat. Assoc. of Geochemistry and Cosmochemistry (I.A.G.C.), held in Misasa, Japan on August 29 - Sept. 8, 1983 (Elsevier, 1985)