TY  - DATA
AU  - Marcelo S   Alencar
AU  -  Valdemar C  da Rocha Jr 
TI  - Communication Systems
SN  - 9783030254629
PB  - springer
KW  -  Networks
KW  - Communications Engineering
KW  - Engineering
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-030-25462-9
ER  -