Pievo, R., Casati, C., Franchi, P., Mezzina, E., Bennati, M., & Lucarini, M. (2012). End-to-end Distance determination in a cucurbit[6]uril-based rotaxane by PELDOR spectroscopy. ChemPhysChem, 13(11), 2659-2661. doi:10.1002/cphc.201200103.