@incollection{Velásquez19, author = {Ignacio Velásquez and Angélica Caro and Alfonso Rodríguez}, title = {Multifactor Authentication Methods: A Framework for Their Comparison and Selection}, booktitle = {Computer and Network Security}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Jaydip Sen}, chapter = {6}, doi = {10.5772/intechopen.89876}, url = {https://doi.org/10.5772/intechopen.89876} }