19-C: the heaviest one-neutron halo nucleus? D. Ridikas, M. H. Smedberg, J. S. Vaagen and M. V. Zhukov Europhys. Lett., 37 6 (1997) 385-390 Published online: 01 September 2002 DOI: 10.1209/epl/i1997-00160-3