TY  - BOOK
AU  - Dumas, M. Barry.
TI  - Principles of computer networks and communications
SN  - 9780137142293  (pbk. : International edition)
U1  - 004.6  
PY  - 2009///
CY  - Upper Saddle River, N.J.
PB  - Pearson Education
KW  - Computer networks
ER  -