000 00366pam a2200157a 44500
008 230515b2011 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _a621.3851
100 _aOPPENHEIM.ALAN.V
245 _aSIGNALS AND SYSTEMS
250 _a2011
260 _aDELHI
_bPHI LEARNING PVT. LTD
_c2011
300 _aXXX-957
650 _aNULL
999 _c661254
_d661254