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Algebra
by Susan A. Brown, R. James Breunlin, Mary Helen Wiltjer, Katherine M. Degner, Susan K. Eddins, Michael Todd Edwards, Neva A. Metcalf, Natalie Jakucyn, Zalman Usiskin
The Aqueous Chemistry of Polonium and the Practical Application of Its Thermochemistry
by Susan A. Brown, Paul L. Brown