% en las ltimas dcadas (ver \citep[pgina 175]{Shigley}), teniendo es


@ARTICLE{Shigley,
    Author         = {Richard G. Budynas, J. Keith Nisbett},
    Journal        = {Editorial Mc Graw Hill},
    Month          = {},
    Number         = {},
    Pages          = {},
    Title          = {Diseo en Ingeniera Mecnica de Shigley},
    Volume         = {},
    Year           = {2008}
}


@ARTICLE{Mott,
Author = {Robert L. Mott P.E.},
Journal        = {Editorial Pearson Educacin},
Month          = {},
Number         = {},
Pages          = {944},
Title          = {Diseo de Elementos de Mquinas},
Volume         = {},
Year           = {2006}
}

@arctile{beamdesign,
Author = {},
Journal        = {American Forest & Forest Association},
Month          = {},
Number         = {},
Pages          = {20},
Title          = {BEAM DESIGN FORMULAS WITH SHEAR AND MOMENT DIAGRAMS},
Volume         = {},
Year           = {2005}
}

@arctile{hamrock,
Author = {Hamrock},
Journal        = {},
Month          = {},
Number         = {},
Pages          = {},
Title          = {Diseo de M\'aquinas},
Volume         = {},
Year           = {2005}
}

@arctile{Arodi,
Author = {Arodi Mart\inez Ortiz},
Journal        = {Facultad de Ingenier\'ia UNAM},
Month          = {},
Number         = {},
Pages          = {},
Title          = {Dise\~no del acoplamiento mec\'anico
para el sistema de propulsi\'on de un
veh\'iculo h\'ibrido el\'ectrico},
Volume         = {},
Year           = {2014}
}

@arctile{stokes,
Author = {Alec Stokes},
Journal        = {Butterworth-Heinemann Ltd, Society of Automotive Engineers},
Month          = {},
Number         = {},
Pages          = {},
Title          = {Manual Gearbox Design},
Volume         = {},
Year           = {1992}
}