000 00278nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
082 _a621.382 KUM
100 _aKumar, Uday, S
245 0 _aSignals and systems
260 _c2003
300 _b0
650 _aOperating systems
999 _c136723
_d136723