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The seniority principle in union-management relations
Harbison, Frederick Harris, (1939)
Social contribution by the aging
Tibbitts, Clark, (1952)
Group work with the aged
Kubie, Susan H., (1953)
Life-Cycle Welfare Costs of Social Security
Burkhauser, Richard V., (1981)
Is the social security payroll tax a tax?
Burkhauser, Richard V., (1985)
Pensions in a Changing Economy
Burkhauser, Richard V., (1994)