000			00466nam a22001817a 4500
003			CEME
005			20210628205911.0
008			210208b xxu||||| |||| 00| 0 eng d
020			_a07-094163-7
040			_c.
082			_a621.381 ALL
100			_aAllison, John _941508
245			_aElectronmic engineering materials and devices
260			_aNEWYORK _bMCGRAW HILL _c1971
300			_a303P
650			_aVACUUM ELECTRONIC DEVICES _977426
942			_cBK _2ddc
999			_c582695 _d582695