title: Metal-organic rotaxane frameworks: three-dimensional polyrotaxanes from lanthanide-ion nodes, pyridinium N-oxide axles, and crown-ether wheels.
authors.affiliation: Department of Chemistry and Biochemistry, University of Windsor, Windsor, ON N9B 3P4, Canada.
authors.forename: Dennis J
authors.initials: DJ
authors.lastname: Hoffart
authors.forename: Stephen J
authors.initials: SJ
authors.lastname: Loeb