000 00280nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
082 _a621.3822 ZEI
100 _aZeimer, E.R
_911562
245 0 _aSignals and systems
260 _bBangalore
300 _b0
650 _aCHEMISTRY
999 _c136576
_d136576