1.
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New York : Resources for the Future, 1992.
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2.
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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, 1998.
KF27 .E5515 1998i |
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3.
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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, 1999.
Y 4.C 73/8: 106-82 |
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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, 1996.
Y 4.C 73/8: 104-59 |
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5.
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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, 1995.
KF27 .E5515 1995a |
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6.
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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.
Y 4.AR 5/2 A: 991-92/53 |
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7.
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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., 1989.
Y 4.EN 2/3: 101-B |
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8.
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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, 1995.
KF27 .E5515 1995a |
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9.
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Washington : U.S. G.P.O., 1990.
Y 4.G 74/9: 101-95 |
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10.
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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, 1993-
Y 4.EN 2/3: 103-24 |
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