Ozanne, C. M. P., Anhuf, D., Boulter, S. L., Keller, Michael, Kitching, Roger L., Korner, Christian, Meinzer, Frederick C., Mitchell, A. W., Nakashizuka, Tohru, Dias, Silva, Stork, Nigel E., Wright, S. Joseph, and Yoshimura, M. 2003. "
Biodiversity Meets the Atmosphere: Global View of Forest Canopies."
Science, (5630) 183–186.