Argent, S. P.Adams, H.Riis-Johannessen, T.Jeffery, J. C.Harding, L. P.Mamula, O.Ward, M. D.2006-09-122006-09-122006-09-12200610.1021/ic060157dhttps://infoscience.epfl.ch/handle/20.500.14299/233996WOS:0002375931000178608Coordination chemistry of tetradentate N-donor ligands containing two pyrazolyl-pyridine units separated by a 1,8-naphtyl spacer: dodecanuclear and tetranuclear coordination cages and cyclic helicatestext::journal::journal article::research article