| 
Citations
 | 
   web
Roberts, J., Hunter, M. L., & Kacelnik, A. (1981). The ground effect and acoustic communication. Anim. Behav., 29(2), 633–634.
toggle visibility
Roberts, J., Kacelnik, A., & Hunter, M. L. (1979). A model of sound interference in relation to acoustic communication. Anim. Behav., 27(Part 4), 1271–1273.
toggle visibility