Stoll and Bickel contribute to a paper on intentionality in animal communication
Sabine Stoll and Balthasar Bickel contributed to a multi-author paper "Exorcising Grice's ghost: an empirical approach to studying intentional communication in animals” that appeared in Biological Reviews
link: http://onlinelibrary.wiley.com/doi/10.1111/brv.12289/abstract