public policy Problems of defense / [ed. by] Carl J. Friedrich and Seymour E. Harris publications of the research group for european migration problems refugees as a burden, a stimulus, and a challenge to the West German economy / by Friedrich Edding ; with a pref. by Edgar Salin united states strategic bombing survey Friedrich-Alfred Huette, Rheinhausen, Germany Friedrich Krupp Grusonwerke AG. Magdenburg, Germany
