TY  - BOOK
AU  - Howser, Gerry
TI  - Computer networks and the internet : a hands-on approach
SN  - 9783030344986
U1  - 004.678 H847c 
PY  - 2020///
CY  - Switzerland
PB  - Springer
KW  - Computer networks
KW  - Layers
KW  - Electrical engineering
KW  - Application software
ER  -