Enige beschouwingen over ons visueel vermogen en den stereoscopische waarneming / door C.A.J. von Frijtag Drabbe special publication Elements of map projection with applications to map and chart construction / by Charles H. Deetz and Oscar S. Adams communications of the "van der waals-fund" method for the measurement of the viscosity of saturated methane-oil solutions under pressure / by J. Versluys, A. Michels and J. Gerver the united states strategic bombing survey. equipment division Collet and Engelhard, Offenbach, Germany the united states bombing survey. equipment division Collet and Engelhard, Offenbach, Germany Règlement provisoire de manœuvre de l'aéronautique. Deuxième partie: L'Aéronautique au Combat. Livre III: L'Aéronautique de renseignement : Aérostation d'observation Règlement provisoire de manœuvre de l'aéronautique : Organisation et fonctionnement des services de l'aéronautique the unites states bombing survey. oil division Ruhroel hydrogenation plant, Bottrop-Boy, Germany : Dl. 1 Israel's peace offers to the Arab States, 1948-1958 : the record / [publ. by the] Ministry for Foreign Affairs , Information Division Catalogue of official publications of the Parliament and Government of Canada : June 1937 / Division of Documents, Department of public printing and stationery Post-war problems : a current list of united States Government Publications April-June, 1945 / comp. by Kathrine Oliver Murra Führung der Armee-Divisionen : Bis zum Gefecht / E. Rothpletz