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1.
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Washington, D.C. : National Academy Press, 1990.
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2.
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Washington : U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O., 2001.
HF1414.55.U55 U7535 2001 |
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3.
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Washington : U.S. G.P.O. : [U.S. G.P.O., Supt. of Docs., Congressional Sales Office, distributor], 2001.
Y 4.AR 5/3: S.HRG.106-816 |
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4.
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Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1992.
HD9696.S95 U5H 1992 |
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