Self-recognition in an Asian elephant by Joshua M. Plotnik and others
= Self-recognition in an Asian elephant by Joshua M. Plotnik and others
{c}
{title2=2006}
https://doi.org/10.1073/pnas.0608062103[Primary publication record or author/institutional full text].
By <Joshua M. Plotnik>. PNAS 103, pp. 17053–17057; large accessible mirror, visible and sham marks, one of three subjects passing.