00588pamaa2200193 4500 0000022166 20100511090000.0 0071140719 004.6 BEA HD30.335 BEA 1993 BEARPARK Computer communications : a business perspective Keith Bearpark and Peter J. Beevor. London: McGraw Hill, 1993. ix, 224p.; 24cm. Computer networks Computer architecture Business -- Communication systems Telecommunication systems BEEVOR, Peter J.