Douglas E. Comer. Computer networks and internets (5. ed.). Pearson Education, 2008.
@book{0021953, title = {Computer networks and internets (5. ed.)}, author = {Douglas E. Comer}, year = {2008}, researchr = {https://researchr.org/publication/0021953}, cites = {0}, citedby = {0}, publisher = {Pearson Education}, isbn = {978-0-13-504583-1}, }