![](/img/cover-not-exists.png)
Comparison of differential reinforcement of low rates (DRL) performance in pigeons (Columba livia) and crows (Corvus brachyrhynchos).
Powell, Robert W.Volume:
86
Year:
1974
Language:
english
Journal:
Journal of Comparative and Physiological Psychology
DOI:
10.1037/h0036167
File:
PDF, 709 KB
english, 1974