radio communication series Radio direction finders / by Donald S. Bond research paper improved radio sonde and its performance / by Harry Diamond [et al.] Armejskie radiostancij UKW / [sostavitel-polkovnik J.J. Kovalenko ; xilozjestvennoe oformlenie A.A. Tolmatsjeva ; redaktor A.P. Belenkaja] Macht des Radios : Weltpolitik und Auslandsrundfunk 1924-1976 / Willi A. Boelcke Handbook for type 267PW : Technical description / Radio equipment department admiralty
