000			004210000a22001690004500
008			151223t1972 xxu||||| |||| 00| 0 eng d
020			_a0070333998
041			_aeng
080			_a621.396 _bU6
942			_cBK
100			_aKaufman, Milton
245			_aUnderstanding radio electronics
250			_a4th ed.
260			_aNew York _bMcGraw-Hill _c1972
300			_aix, 709p. : ill.
650			_aRADIO COMMUNICATION
999			_c127296 _d127296