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Meeting the challenge U.S. industry faces the 21st century : the chemical industry

Lenz, Allen J.
[Washington, D.C.?] : Office of Technology Policy, Technology Administration, U.S. Dept. of Commerce, [1996]. 1996

The U.S. current account a sectoral assessment of performance and prospects

Lenz, Allen J.
[Washington, D.C.] : US Trade Deficit Review Commission, [2000] 2000