000 00281pam a2200121a 44500
082 _a621.3815
_bAL54 5TH 1917
100 _aAllerton Cof.On Circuit
245 1 _aPROCEEDINGS
260 _aIllinois
_b
_c1967
700 _aSystem Theory(5th
964 _gCIRC
997 _aK12479 s C
999 _c381799
_d381799