Towards new single chain magnets: Use of the [ Cu(bpca)2] complexed bridging ligand [Hbpca = bis(2-pyridylcarbonyl)amine] H. Casellas, A. Mandonnet, A. Caneschi et D. Gatteschi J. Phys. IV France, 114 (2004) 617-619 DOI: 10.1051/jp4:2004114146