B.  Stein and Davis, F. W., ?Discovering life in America: Tools and techniques of biodiversity inventory?, in Precious Heritage: The Status of Biodiversity in the United States, B. A.  Stein, Kutner, L. S., and Adams, J. S., Eds. Oxford: Oxford University Press, 2000, pp. 19-53.

B.  Stein and Davis, F. W., ?Discovering life in America: Tools and techniques of biodiversity inventory?, in Precious Heritage: The Status of Biodiversity in the United States, B. A.  Stein, Kutner, L. S., and Adams, J. S., Eds. Oxford: Oxford University Press, 2000, pp. 19-53.