Propagation Commission

An Act For The Propagation Of The Gospel In Wales, 1649: Together With The Proceedings Of The Commissioners For North Wales Appointed Under The Act

An Act For The Propagation Of The Gospel In Wales, 1649: Together With The Proceedings Of The Commissioners For North Wales Appointed Under The Act

Monograph On Radio-Wave Propagation In The Troposphere, Proceedings Of Commission Ii On Radio And Troposphere During The Xiiith General Assembly Of Ursi, London Sept. 1961

Ursi, Recueil Des Travaux De L'assemblee Generale Tenue A Washington En Oct. 1927, Fasc. 4, Travaux De La Commission De La Propagation Des Ondes (Textes Originaux)

Moyens Pratiques De Combattre La Propagation De La Tuberculose