Strong density-and diversity-related effects help to maintain tree species diversity in a neotropical forestv. 94No. 4National Academy of Sciences (U.S.)1252–1257
Wills, Christopher, Condit, Richard S., Foster, Robin B., and Hubbell, Stephen P. 1997. "Strong density-and diversity-related effects help to maintain tree species diversity in a neotropical forest." Proceedings of the National Academy of Sciences of the United States of America, 94, (4) 1252–1257.