000 00323nam a2200133Ia 4500
020 _a0852261500
100 _aDas J
245 _aPrinciples of digital communication
250 _a1
260 _c2003
_bNew Age International Publishers
_aNew Delhi
300 _a645
700 _aMullick S K
_aChatterjee P K
942 _cBK
999 _c34766
_d34766