Molecular Simulation Approaches for Multiphase Polymer Systems.- Adhesion and Fracture of Interfaces Between Immiscible Polymers: from the Molecular to the Continuum Scal.- Recent Progress in Gel Theory: Ring, Excluded Volume, and Dimension.Highest Impact Factor of all journals ranked by ISI within Polymer Science. Short and concise reports on physics and chemistry of polymers, each written by the world renowned experts Still valid and useful after 5 or 10 years. The electronic version is available free of charge for standing order customers at http://link.springer.de/series/aps/ Impact Factor Ranking: always number one in Polymer Science.DE