@article{Rose_Cooke_Dooren_2019, title={Ravens at Play}, url={https://jfs.today/index.php/jfs/article/view/165}, DOI={10.24411/2500-0225-2019-10029}, number={4.1}, journal={Journal of Frontier Studies}, author={Rose, Deborah and Cooke, Stuart and Dooren, Thom}, year={2019}, month={Dec.}, pages={67-87} }