title: What controls the reactivity of 1,3-dipolar cycloadditions?
authors.affiliation: Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany. bernd@chemie.uni-wuerzburg.de
authors.forename: Bernd
authors.initials: B
authors.lastname: Engels
authors.forename: Manfred
authors.initials: M
authors.lastname: Christl