1 Table of Contents: “...Molecular properties in different environments -- Quantum-chemical models -- I. An overview -- II...”

2 Table of Contents: “... and Clusters -- Quantum Chemical Approach to Interatomic Decay Rates in Clusters -- Spectroscopy of Atoms...”

3 “... and superheavy elements. Recent years have witnessed a continued and growing interest in relativistic quantum...”

4 “... energies. Second order, Moeller-Plesset perturbation theory is the most widely used ab initio quantum...”