Horn, Henry S. "Twigs, trees, and the dynamics of carbon in the landscape." in Scaling in Biology, James H. Brown and Geoffrey B. West, editors. Oxford: Oxford University Press, 2000.

Horn, Henry S. "Twigs, trees, and the dynamics of carbon in the landscape." in Scaling in Biology, James H. Brown and Geoffrey B. West, editors. Oxford: Oxford University Press, 2000.