deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 8d9c4bd..8d19525 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {2003},  publisher = {Grupo de Investigaci{\'o}n en Atenci{\'o}n Farmac{\'e}utica (GIAF)},  }  @techreport{rela1998fisica,  title = {{F{\'\i}sica 1: Mec{\'a}nica, ondas y calor}},  author = {Rela, Agust{\'\i}nSztrajman and Rela, JorgeAgust{\'\i}n and Sztrajman, Jorge and Goldenh{\'o}rn, SimonSimon Goldenh{\'o}rn and Hernandez Gonzalez, Anaisa and Alvarez Cardenas, Sofia and {\DH}Cengel, Yunus A Cimbala and {\DH}Cengel, John M Yunus A and Cimbala, John M and Hibbeler, Russell CharlesRussell C Hibbeler and others},  year = {1998},  institution = {e-libro, Corp.},  }