00270pam a2200121a 44500008004100000041000800041100001900049245002500068250000600093260002400099300001700123440000800140230405s1994    xxu||||| |||| 00| 0 eng d  aENG  aChoudhary R.D.  aNetworks And Systems  a1  abWilley Eastc1994  a926 P, 24 CM  a150