00407nam a22001577a 4500003000500000005001700005008004100022020001800063040000600081082002000087100002400107245005100131260002500182300000900207650003300216CEME20210628203808.0210317b        xxu||||| |||| 00| 0 eng d  a0-89006-414-8  c.  a621.38133 LAV'M  aLaverghetta, Thomas  aMicrowave materials and fabrication techniques  aBOSTONbARTECHc1991  a284P  aMICROWAVE CIRCUITS MATERIALS