000 00376nam a2200157Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c225
040 _aET
082 _a621.381 GAR R
100 _aGerg, R.N.
_99892
245 0 _aFiter theory
260 _bArihant Publication
_aMeerut
_c2008
300 _a680p.
650 _aMechanical Engineering
_98888
942 _cBK
999 _c62334
_d62334