Wells, K., Böhm, S. M., & Kalko, E. K. V. (2011). Top-Down Control of Herbivory by Birds and Bats in the Canopy of Temperate Broad-Leaved Oaks (Quercus robur). PLoS ONE, 6(4), p. e17857. doi:10.1371/journal.pone.0017857

Wells, Konstans, Stefan M. Böhm, and Elisabeth K. V. Kalko. "Top-Down Control of Herbivory By Birds and Bats in the Canopy of Temperate Broad-Leaved Oaks (Quercus Robur)." PLoS ONE 6, no. 4 (2011): e17857.

Wells, Konstans, Stefan M. Böhm, and Elisabeth K. V. Kalko. "Top-Down Control of Herbivory By Birds and Bats in the Canopy of Temperate Broad-Leaved Oaks (Quercus Robur)." PLoS ONE 6.4 (2011): e17857.