000			00417nam a2200181Ia 4500
008			200428s9999||||xx |||||||||||||| ||und||
020			_c225
040			_aMAIN
041			_aEnglish
082			_a621.395 _bLEA
100			_aLeach, Donald P.
245			_aDigital principles and applications
250			_a5th ed.
260			_bTata McGraw Hill _c2003
300			_a638p.
650			_aELECTRONICS
942			_cGB
999			_c2255 _d2255