TY  - RPRT
TI  - Prototype symbolization in hooded crows.
AU  - A A Smirnova
AU  - O F Lazareva
AU  - Z A Zorina
PY  - 2003
DO  - 10.1023/a:1022839405933
UR  - https://pubmed.ncbi.nlm.nih.gov/12774834/
ID  - 12774834
ER  -