Nest tree selectivity and density of stingless bee colonies in a Panamanian forestLeeds Philos. and Lit. Society147–154
Johnson, Leslie K. and Hubbell, Stephen P. 1984. "Nest tree selectivity and density of stingless bee colonies in a Panamanian forest." In Tropical rain-forest: The Leeds Symposium. Chadwick, A. C. and Sutton, S. L., editors. 147–154. Leeds: Leeds Philos. and Lit. Society.