@BOOK{entrialgo2018computers, title = {Computers and Networks}, publisher = {Ediuno. Ediciones de la Universidad de Oviedo}, year = {2018}, author = {Entrialgo, J. and Granda, J.C. and Lopez, J.M. and Molleda, J. and Arias, J.R. and Usamentiaga, R. and Garcia, M. and Diaz, J.L.}, pages = {1--236}, isbn = {978-84-16664-86-3}, location = {España}, url = {http://www.atc.uniovi.es/libros/computers_networks/} }