000 00351nam a2200121Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a81-203-1147-7
100 _aLeach, Donald P and Others
245 0 _aDigital principles and aplications
260 _aTata mcgraw hill company Ltd
_bNew Delhi
_c2006
300 _b335
650 _aSYSTEM SIMMULATION
999 _c132286
_d132286