00420nam 2201002 45000010005000000030023000050050009000280080041000370820011000780720022000891000017001112600015001282450039001436500022001826500021002046500027002251002StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a004.65 aComputer networks aBill Hancock bBPB c1990 aNetwork Concepts and architectures aComputer networks acomputer science anetworks Architectures