Micro-waves and wave guides / H. M. Barlow. Barlow, H. M. (Harold Monteagle), 1899- Shortwave radio. Wave guides. TK6553 .B28 1947 537.12 BAM Includes index. Bibliography: p. 119-120. London : Constable, 1947. 1947. 1947 Text x, 122 p. : eng