00371nam a2200109Ia 4500008004100000082001900041100002200060245007600082260002900158490005400187700002000241220204s9999    xx            000 0 und d  a678-477bRIN-A  aCotter,  Robert J 0aRing forming polymerizations. Pt A. Carbocyclic and metallorganic rings  aNew YorkbAcademicc1969  aOrganic chemistry: A series of monographs. V 13 A  aMatzner, Markus