Opperman, E. B. (1965). The potential usefulness of uniform tax burden distributions as measures of the tax capacities and tax efforts of the State and local governments; an empirical study. s.n.

Opperman, Edward Belz. The Potential Usefulness of Uniform Tax Burden Distributions as Measures of the Tax Capacities and Tax Efforts of the State and Local Governments; an Empirical Study. [Bloomington]: s.n, 1965.

Opperman, Edward Belz. The Potential Usefulness of Uniform Tax Burden Distributions as Measures of the Tax Capacities and Tax Efforts of the State and Local Governments; an Empirical Study. s.n, 1965.