00428 a2200193 4500 Eng. 537.12 G954m Gupta, K. C. Microwaves Delhi Wiley Eastern 1979 x, 242p. illus. P.236 Wavesguides Resonators Wave tubes Wave Propagation Microwaves ddc GEN 56915 56909 0 0 ddc 0 0 TUCL TUCL 2011-06-26 0 537.12 G954m 91274 2011-06-26 00:00:00 2011-06-26 GEN 0 0 ddc 0 0 TUCL TUCL 2013-07-02 0 537.12 G954m 91474 2013-07-02 00:00:00 2013-07-02 GEN