Ashmore, Edward Bailey Air Defence / Major-General E. B. Ashmore - 1st. ed. - London : Longmans, Green and Co., 1929 - 179 p. : il., mapas ; 23 cm Subjects--Index Terms: HISTORIA PRIMERA GUERRA MUNDIAL. 1914-1918 OPERACIONES AEREAS DEFENSA AEREA Universal Decimal Class. No.: 940.3/.4 A4A3 1929