Preface. Part I: Metathesis Polymerization of Olefins: Romp and Admet. Ring-Opening Metathesis Polymerization by Molybdenum Imido Alkylidene Complexes; R.R. Schrock. Metathesis of Low-Strain Olefins and Functionalized Olefins with New Ruthenium-Based Catalyst Systems; A.F. Noels, A. Demonceau. Synthesis of Aryloxide Tungsten (VI) Complexes and Their Application in Olefin Metathesis; F. Lefebvre, et al. Novel Catalysts for Addition Polymerization of Norbornene and its Derivatives; K.L. Makovetsky, et al. The Use of Non-Traditional Catalysts in the ROMP of Cycloolefins; K.L. Makovetsky. Correlation between Catalyst Nature and Polymer Selectivity in ROMP of Cycloolefins with WCl6-Based Catalytic Systems; V. Dragutan, et al. Ring-Opening Metathesis Polymerization of Cycloolefins Using Tungsten-Tetraphenylporphyrinate Catalysts; V. Dragutan, et al. Metathesis Ring-Chain Equilibrium in Cyclobutene and 1-Methylcyclobutene Systems; E. Thorn- Csányi. Olefin Cyclopropanation or Olefin Metathesis with Late Transition Metal Complexes? A.F. Noels, A. Demonceau. Initiation, Propagation and Termination of Olefin Metathesis Reactions; L. Bencze, et al. Synthesis of Membrane Materials by ROMP of Norbornenes; E.Sh. Finkelshtein, et al. Olefin Metathesis in Organosilicon Chemistry; E.Sh. Finkelshtein. Side Chain Liquid Crystalline Polymers via ROMP. Influence of Content of Mesogenic Groups and Tacticity on the LC Behaviour; M. Ungerank, et al. Optically Active Polymers via ROMP of Enantiomerically Pure Monomers; F. Stelzer, et al. Synthesis of Well-Defined Graft Copolymers via Coupled Living Anionic and Living Ring Opening Metathesis Polymerisation; E. Khosravi. Recent Developments in the Synthesis of Fluorinated Homopolymers and Block Copolymers via Living RingOpening Metathesis Polymerisation; E. Khosravi. Formation of Hydrocarbon and Functionalized Polymers by Acyclic Diene Metathesis (ADMET) Polymerization; K.B. Wagener, P.S. Wolfe. A New Synthetic Route to Soluble Conjugated Polymers with Valuable Optical Properties; P. Kraxner, E. Thorn-Csányi. Metathesis Depolymerization Chemistry as a Means of Recycling Polymers to Telechelics and Fine Organic Chemicals; K.B. Wagener, et al. Quantitative Determination of the Microstructure and Composition of Crosslinked Rubber Blends; H.-D. Luginsland, E. Thorn-Csányi. Industrial Applications of the Olefin Metathesis Reaction; F. Lefebvre, J.-M. Basset. Part II: Alkyne Polymerization. Living Polymerization of Alkynes by Molybdenum Imido Alkylidene Complexes; R.R. Schrock. Catalytic Transformation of Alkenes and Alkynes in the Presence of Group 6 Metal Carbonyls; T. Szymáska-Buzar. Part III: Molecular Modeling and Alkene Polymerization. Derivatives of Chromocene in Ethylene Polymerisation; B.R. Messere, et al. A Possible Mechanism of Polymer Formation from &agr;,&bgr;-Unsaturated Carbonyl Compounds under the Influence of Metathesis Catalytic Systems; Ch. Jossifov. Molecular Mechanical Modeling of the Metathesis-Active Tungsta-Carbenes; L. Bencze, R.K. Szilágyi.