@article {, title = {Characterization of railway line impedance based only on shortcircuit measurements}, journal = {International Journal of Circuit Theory and Application }, year = {2014}, month = {03/2014}, pages = {1-7}, issn = {xx780}, doi = {10.1002/cta.1987}, author = {I. Fernandez and Manuel Mazo and Mar{\'\i}a del Carmen P{\'e}rez and J.J. Garcia and Ure{\~n}a, J. and J.C. Garcia and J.A. Jimenez and Felipe Espinosa and {\'A}lvaro Hern{\'a}ndez} }