Boson Masses in the Standard Model; D. Treille. Non-Commutative Geometry and the Internal Space of Gauge Theories; T. Krajewski. Top Quark Mass; J.L. Rosner. Unified Theories of Flavour with U(2) as Horizontal Group; A. Romanino. Heavy-Quark Masses; M. Neubert. Light-Quark Masses; H. Leutwyler. Weak Matrix Elements on the Lattice: Recent Developments in K-Physics; M. Talevi. Lepton Universality; A. Pich. Neutrino Mass; R.L. Mössbauer. Gallex Neutrino Observations and Its Implications on Solar Neutrino Spectroscopy; M. Altmann. Double Beta Decay Research-Present and Future; Y.G. Zdesenko. Neutrino Mass Models with an Abelian Family Symmetry; S. Lavignac. Dark Matter; J. Silk. Aspects of Dark Matter Direct Detection; L. Baudis, et al. Masses Beyond the Standard Model; D. Delepne. BPS States in Superstrings with Spontaneously Broken SUSY; C. Kounnas. Gaugino Condensation, Loop Corrections, and S-Duality Constraint; K. Saririan. Sme New Salient Features of Deep-Inelastic Scattering at HERA; J. Feltesse. Determination of the Gluon Structure Function Using Tagged Charm Events in Deep-Inelastic EP Collisions; C. Adloff. The Structure of the Proton Phenomenology; L. Schoeffel. Experimental Physics as LHC pp Collider; J.-J. Aubert. Index.