000 00343pam a2200157a 44500
008 230515b2006 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _a0
100 _aPROKIS JOHN
245 _aCOMMUNICATION SYSTEMS ENGINNERING
250 _a0
260 _a
_bPEARSON
_c2006
300 _a801
650 _aNULL
999 _c591440
_d591440