摘要:This issue of Acta Geologica Polonica is dedicated to the late Professor Gundolf Ernst, whopassed away on 25 April 2002. It is a tribute from his friends, colleagues and research students.This special extended part contains papers on a great diversity of Cretaceous topics, includingbelemnites, biostratigraphy, event stratigraphy, sequence stratigraphy, tephrostratigraphy,Campanian echinoids and ammonites, inoceramids, and the tectonics of the SubhercynianCretaceous Basin. All of these are topics that were close to Gundolf's heart and on which hehimself made major contributions.