Borwein, D. and Borwein, J. M. "A Note on Alternating Series in Several Dimensions." Amer. Math. Monthly93, 531-539, 1986.Borwein, D. and Borwein, J. M. "On Some Trigonometric and Exponential Lattice Sums." J. Math. Anal.188, 209-218, 1994.Borwein, D.; Borwein, J. M.; and Shail, R. "Analysis of Certain Lattice Sums." J. Math. Anal.143, 126-137, 1989.Borwein, D.; Borwein, J. M.; and Taylor, K. F. "Convergence of Lattice Sums and Madelung's Constant." J. Math. Phys.26, 2999-3009, 1985.Borwein, J. M. and Borwein, P. B. Pi & the AGM: A Study in Analytic Number Theory and Computational Complexity. New York: Wiley, 1987.Finch, S. R. "Madelung's Constant." §1.10 in Mathematical Constants. Cambridge, England: Cambridge University Press, pp. 76-81, 2003.Glasser, M. L. and Zucker, I. J. "Lattice Sums." In Perspectives in Theoretical Chemistry: Advances and Perspectives, Vol. 5 (Ed. H. Eyring).Zucker, I. J. "Exact Results for Some Lattice Sums in 2, 4, 6 and 8 Dimensions." J. Phys. A: Nucl. Gen.7, 1568-1575, 1974.