00556cam a2200193 a 450000500170000000800410001702000150005804100080007308200200008110000160010124501000011726000390021730000160025665000230027265000210029570000160031670000150033270000150034720240106161515.0040519s2004 enka b 001 0 eng d a0470844922 aeng04a621.3813bCHE/M aChen, L. F.00aMicrowave Electronics :bMeasurement and Materials Characterisation /cL. F. Chen ... [et al.]. aWest Sussex :bJohn Wiley,cc2004. axiii, 537p. 0aMicrowave devices. 0aShortwave radio.1 aChen, L. F.1 aOng, C. K.1 aNeo, C. P.