1. B.C. Berndt, Ramanujan's Notebooks Part II, Springer-Verlag, New York, 1989.
2. J.M. Borwein and P.B. Borwein, Pi and the AGM — A Study in Analytic Number Theory and Computational Complexity, Wiley N.Y., New York, 1987.
3. J.M. Borwein and P.B. Borwein, A Cubic Counterpart of Jacobi's Identity and the AGM, Trans. A.M.S., to appear.