Bush, L. L. (2004). Boundary conditions: Macrobotanical remains and the Oliver Phase of Central Indiana, A.D. 1200-1450. University of Alabama Press.
Lua i Stíl Chicago (17ú heag.)Bush, Leslie L. Boundary Conditions: Macrobotanical Remains and the Oliver Phase of Central Indiana, A.D. 1200-1450. Tuscaloosa: University of Alabama Press, 2004.
Lua MLA (9ú heag.)Bush, Leslie L. Boundary Conditions: Macrobotanical Remains and the Oliver Phase of Central Indiana, A.D. 1200-1450. University of Alabama Press, 2004.
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