000			00386nam a2200133Ia 4500
008			211119s9999||||xx |||||||||||||| ||und||
082			_a621.395 _bDON-D
100			_aDonald P Leach,
245		0	_aDigital Principles and Applications
260			_bTata Macgraw-Hill _aNew Delhi _c1900
300			_axix+6
650			_aTechnology _vApplied physicsPhysics _xGeneral Stack
942			_cBOOK
999			_c107364 _d107364