The Economic Value of the United States Merchant Marine. Allen R. Ferguson , Eugene M. Lerner , John S. McGee , Walter Y. Oi , Leonard A. Rapping , Stephen P. Sobotka
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1963 ◽
Vol 345
(1)
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pp. 81-88
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2014 ◽
Vol 32
(15_suppl)
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pp. e17553-e17553
1921 ◽
Vol 15
(1)
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pp. 33-38
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