Business data communications : Basic concepts, Security and Design
FITZGERALD, J. :
Business data communications : Basic concepts, Security and Design - 3rd ed. - New York : John Wiley 1990 - 628 p.
0000471508772
Data Communication : Computer Networks
004.6 / F37
Business data communications : Basic concepts, Security and Design - 3rd ed. - New York : John Wiley 1990 - 628 p.
0000471508772
Data Communication : Computer Networks
004.6 / F37