"Reprinted from the Proceedings of the National Academy of Sciences of the United States of America, volume 96, pp. 3348-3485, March 30, 1999"--P. [2] of cover.
Bibliography
Includes bibliographical references.
Reproduction
Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.