Strong lensing analysis of PLCK G004.5–19.5, a Planck-discovered cluster hosting a radio relic at z = 0.52Cristóbal Sifón, Felipe Menanteau, John P. Hughes, Mauricio Carrasco and L. Felipe BarrientosA&A, 562 (2014) A43DOI: https://doi.org/10.1051/0004-6361/201321638