International Commission on Stratigraphy

Editorial, by D. Rio and D. Castradori
SNS Annual report 1999
Report - On the vote about the demand to lower the Plio-Pleistocene, by J. Remane (ICS Chairman) and O. Michelsen (ICS Secretary General)
Problems and progress in establishing a Late Neogene chronostratigraphy for the Central Parathethys: Comments and Reply, by M. Sacchi, F. Horvath, I. Magyar and P. Muller
Correlations between Parathethys and Mediterranean events during the Tortonian: a working hypothesis, by M. Sprovieri and M. Sacchi (file missing)