Benvenuti, S., Gagliardo, A., Guilford, T., & Luschi, P. (1996). Overcast tests with clock-shifted pigeons.
Lua i Stíl Chicago (17ú heag.)Benvenuti, S., A. Gagliardo, T. Guilford, agus P. Luschi. Overcast Tests with Clock-shifted Pigeons. 1996.
Lua MLA (9ú heag.)Benvenuti, S., et al. Overcast Tests with Clock-shifted Pigeons. 1996.
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