Nahin, P. J. (2004). When least is best: How mathematicians discovered many clever ways to make things as small (or as large) as possible. Princeton University Press.

Nahin, Paul J. When Least Is Best: How Mathematicians Discovered Many Clever Ways to Make Things as Small (or as Large) as Possible. Princeton, N.J.: Princeton University Press, 2004.

Nahin, Paul J. When Least Is Best: How Mathematicians Discovered Many Clever Ways to Make Things as Small (or as Large) as Possible. Princeton University Press, 2004.