TY  - BOOK
AU  - Nimersheim, Jack
TI  - The first book of modem communications
SN  - 0-672-27412-4
U1  - 001.64404 
PY  - 1993///
CY  - [S. l.]
PB  - Sams
KW  - INFORMATICA
KW  - REDES DE COMPUTACION
KW  - MODEM
ER  -