00272nam a2200109 a 450000500170000002000150001708200170003210000240004924500290007326000400010230000200014220251203091851.0  a8120307496  a005.43UbSTE  aStevens, W. Richard  aUnix network programming  aDelhibPrentice-Hall of Indiac1993  axii, 772p, 24cm