000 00381nam a2200145Ia 4500
008 240601s2007 xx 000 0 eng d
020 _a0070601755
041 _aENG
082 _aLEA
100 _aLeach, Donald P,Leach, Donald P,Leach, Donald P
245 0 _aDigital principles and applications
250 _a6th
260 _aNew Delhi
_bTata McGraw-Hill
_c2007
942 _2ddc
_cBK
999 _c309
_d309