000 00294nam a2200109Ia 4500
008 161222s9999 xx 000 0 und d
020 _cRS. 620.00
100 _aS. purnachandra
245 _asignals and systems thired edition
_cS. purnachandra
260 _aNew Delhi
_bPearson
_c2010
300 _a464
999 _c5518
_d5518