%0 Journal Article %A Del Valle J. %A Gomez A. %A Gonzalez E.M. %A Manas-Valero S. %A Coronado E. %A Vicent, José Luis %T Force-free state in a superconducting single crystal and angle-dependent vortex helical instability %D 2017 %U http://hdl.handle.net/20.500.12614/1312 %~