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Chomsky, Noam (2007). "Biolinguistic explorations: Design, development, evolution". International Journal of Philosophical Studies. 15 (1): 1–21. doi:10.1080/09672550601143078. S2CID144566546.
Chomsky, Noam (2011). "Language and other cognitive systems. What is special about language?". Language Learning and Development. 7 (4): 263–278. doi:10.1080/15475441.2011.584041. S2CID122866773.