@misc{indiciae1c150e2d6475, title = {Prototype symbolization in hooded crows.}, author = {A A Smirnova and O F Lazareva and Z A Zorina}, year = {2003}, doi = {10.1023/a:1022839405933}, url = {https://pubmed.ncbi.nlm.nih.gov/12774834/}, note = {Source identifier: 12774834} }