000			00290nam a22001337a 4500
008			210429b ||||| |||| 00| 0 eng d
041			_aeng
080			_23rd _a070
082			_a070
100			_a41
101			_aMED
245			_aTechnical Communication _cBurnett,R.E
942			_2udc _cBK
999			_c57011 _d57011