@article{article8ebe2f88,
title   = {Associative symmetry by pigeons after few-exemplar training},
author = {Velasco, Saulo Missiaggia and Huziwara,Edson Massayuki and Machado, Armando and Tomanari, Gerson Yukio},
year = {2010},
journal   = {Journal of the Experimental Analysis of Behavior}
}