000 00310nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a81-7808-145-8
100 _aHsu, Hwei, P
_93400
245 0 _aSignals and systems
260 _aTata mcgraw hill
_bDelhi
_c2004
300 _b250
650 _aCOMPUTER SCIENCE
999 _c132066
_d132066