00501cam a2200157ua 4500041001000000082001900010100001900029245006700048250001200115260004500127300001200172504000500184942000700189999001900196952012800215  aengh  a530.14bBAR/MI  aBarlow, H.M  .  aMicro waves and wave guides / cH.M.Barlow.hTextual Documents  a1 / b.  a : bConstable and Company Ltd , c1947.  a122 ; .  a  cBK  c329994d329994  00104070aKAUAETbKAUAETd2012-04-07l1o530.14 BAR/MIpKAU_KCAEFT-3468 r2023-04-13 00:00:00s2023-04-13w2025-09-03yBK