G. Kirkland Jr.

Factors influencing variation among states in the number of federally listed and candidate mammals in the United States
Kirkland, G. L., and Richard S. Ostfeld. 1999. “Factors Influencing Variation Among States In The Number Of Federally Listed And Candidate Mammals In The United States”. J. Mammal 80: 711-719. http://www.caryinstitute.org/reprints/Kirkland_and_Ostfeld_1999_J_Mammal_80_711-719.pdf.