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Summary of United States export control regulations
Michaelis, V. H., (1958)
A summary of U.S. export control regulations
Michaelis, V. H., (1963)
Organisation und Technik des Außenhandels
Nykryn, Jaroslav, (1957)
A summary of U.S. export control regulations, revised March 1, 1965
Michaelis, V. H., (1965)