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Durrant, Benedict, Lewis-Pye, Andrew, Meng Ng, Keng and Riley, James (2016) Computably enumerable Turing degrees and the meet property. Proceedings of the American Mathematical Society, 144 (4). 1735 - 1744. ISSN 0002-9939
Barmapalias, George, Lewis-Pye, Andrew and Meng Ng, Keng (2010) The importance of π⁰₁ classes in effective randomness. Journal of Symbolic Logic, 75 (1). pp. 387-400. ISSN 0022-4812