| Publication Type: |
Journal Article |
| Year: |
2013 |
| Authors: |
Jennifer Vonk, Lauri Torgerson-White, Molly McGuire, Melissa Thueme, Jennifer Thomas, MichaelJ Beran |
| Journal: |
Animal Cognition |
| Publisher: |
Springer Berlin Heidelberg |
| Keywords: |
area, gorillas, number, quantity estimation, ratio |
| ISBN: |
1435-9448 |