deletions | additions       diff --git a/authors.tex b/authors.tex  index 842724b..213f199 100644  --- a/authors.tex  +++ b/authors.tex 
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{\it (CIEMAT, Madrid, Spain)}\\  R.B. Appleby, H.Owen   ({\it University of Manchester, Cockcroft Institute, Manchester, United Kingdom})\\  H. M. Maury  Cuna {\it (Centro de Investigaci\'on y de Estudios Avanzados del Instituto Polit\'ecnico Nacional, Mérida, M\'exico)}\\  C.~Gracios, G.~A.~Munoz-Hernandez  {\it (CONACYT, M\'exico, M\'exico)}\\