publicaties study of bessel functions in connection with the problem of two mutually attracting circular discs / by C.J. Bouwkamp publicaties Concerning a new transcendent, its tabulation and application in antenna theory / by C.J. Bouwkamp publicaties Distorsie van signalen met frequentiemodulatie bij doorgang door electrische netwerken / door F.L.H.M. Stumpers chatham house monographs Naval disarmament : a brief record from the Washington conference to date / Hugh Latimer ; preface by Philip H. Kerr Ribbons & medals : naval, military, air force and civil / by H. Taprell Dorling ("Taffrail") ; in association with L.F. Guill the men who ruled india guardians third service : the story behind the Royal Air Force / Philip Joubert de La Ferté Nederlandse munten en penningen = Coins and medals of the Netherlands : Collecties [=collections] G.H.Crone (een 2de gedeelte), J.v.d.Meer, New York (1ste gedeelte); Belgique (Royaume), … musikalisches universum Cadetten Marsch = The High School Cadets March weltberühmte märsche Hands across the Sea : Freundschaft Marsch weltberühmte märsche King Cotton Marsch serie marstriomfen Crusader
