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9Published 1982“...SSA publication....”
Government Document Serial -
10Published 1981“...SSA publication ;...”
Government Document Book -
11Published 1985“...SSA publication ;...”
Government Document Book -
12
Government Document Serial -
13Published 1985“...SSA publication....”
Government Document Serial -
14
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15
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16Published 1987“...SSA publication ;...”
Government Document Book -
17Published 1987“...SSA publication ;...”
Government Document Book -
18Published 1988“...SSA publication ;...”
Government Document Book -
19Published 1985“...SSA publication ;...”
Government Document Book -
20Published 1989“...SSA publication ;...”
Government Document Book