000 00317nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a621
082 _b38 SIN
100 _a"Singh,Anokh"
245 0 _aPrinciples of Communicat
260 _aDelhi
260 _bS.Chand
260 _c1987
300 _a"viii, 596"
999 _c27925
_d27925