@article {IOPORT.06078048,
    author       = {Ganchev, Hristo and Soskova, Mariya},
    title        = {Embedding distributive lattices in the $\Sigma ^{0}_{2}$ enumeration degrees.},
    year         = {2012},
    journal      = {Journal of Logic and Computation},
    volume       = {22},
    number       = {4},
    issn         = {0955-792X},
    pages        = {779-792},
    publisher    = {Oxford University Press, Oxford},
    doi          = {10.1093/logcom/exq042},
    abstract     = {Summary: We prove that every countable distributive lattice is embeddable in the $\Sigma ^{0}_{2}$ enumeration degrees via a 0-1 preserving monomorphism. Moreover, we prove that every countable distributive lattice is embeddable below arbitrary $\Delta ^{0}_{2}$ degree via a 0 preserving monomorphism.},
    identifier   = {06078048},
}