Carreiro, Facundo;    Facchini, Alessandro;    Venema, Yde;    Zanasi, Fabio;      (2021)    Model theory of monadic predicate logic with the infinity quantifier.                   Archive for Mathematical Logic , 61    pp. 465-502.    10.1007/s00153-021-00797-0 <https://doi.org/10.1007/s00153-021-00797-0>.       Green open access