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Published: Washington/D.C : U.S. Government Printing Office, 1983
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Published: Washington/D.C : U.S. Government Printing Office, 1990
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Published: Washington/D.C : U.S. Government Printing Office, 1995
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Published: Washington/D.C : U.S. Government Printing Office, 1988
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Published: Washington/D.C : U.S. Government Printing Office, 1995
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Published: Cambridge/Mass : Ballinger Publishing, 1988
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Published: Washington/D.C : U.S. Government Printing Office, 1995
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Published: Washington/D.C : U.S. Government Printing Office, 1995
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Published: Washington/D.C : U.S. Government Printing Office, 1995
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