000 00358nam a2200109Ia 4500
008 230327s9999 xx 000 0 und d
020 _a81-203-2229-0
082 _a621.382
100 _aSchweber, William
245 0 _aElectronic Communication Systems (CD)
260 _aNew Delhi;
_bPrentice-Hall of India Pvt Ltd New Delhi
_c               
999 _c35691
_d35691