Media type: E-Article Title: Toroidal High-Density Singularity in a Small Plasma Focus Contributor: Casanova, Federico; Tarifeño-Saldivia, Ariel; Veloso, Felipe; Pavez, Cristian; Clausse, Alejandro; Soto, Leopoldo imprint: Springer Science and Business Media LLC, 2012 Published in: Journal of Fusion Energy Language: English DOI: 10.1007/s10894-011-9469-1 ISSN: 0164-0313; 1572-9591 Keywords: Nuclear Energy and Engineering ; Nuclear and High Energy Physics Origination: Footnote: