000			00321nam a2200133Ia 4500
008			210901s1957 xx 000 0 eng d
082			_a621.381 RYD
100			_aRyder, John.H.
245		0	_aEngineering electronics
260			_aTokyo _bMc Graw Hill _c1957
300			_a690
650			_aEngineering
942			_2ddc _cBK
999			_c15058 _d15058