000			00313nam a2200133Ia 4500
008			160710s2009 xx 000 0 und d
020			_a8188458201
082			_a621.382 SHA
100			_aSHARMA, S.
245			_aCOMMUNICATION SYSTEMS
260			_bS.K. KATARIA & SONS _c2009
300			_a970
942			_2ddc _cD
999			_c71135 _d71135