SEARCH Articles Figures Tables Metathesis polymerization Organometallic polymerization Organometallic polymers Organometallics polymerization Organometallics polymers Polymer ring opening Polymer ring-opening polymerization Polymeric-organometallics Polymers metathesis Ring metathesis Ring metathesis polymerization Ring polymer Ring-opening metathesis Ring-opening polymerization organometallic polymers