000			00301nam a2200133Ia 4500
003			OSt
005			20240927150035.0
008			220314s9999||||xx |||||||||||||| ||und||
100			_aLeach P Donald
245			_aDigital Principles and applications
250			_a7th
650			_vPhysics
942			_cBOOK
999			_c36712 _d36712