Selection and Uniformization Problems in the Monadic Theory of Ordinals: A Survey. - Alexander Rabinovich; Amit Shomrat (Pillars of Computer Science, 2008)

Selection in the monadic theory of a countable ordinal. - Alexander Rabinovich; Amit Shomrat (J. Symb. Log., 2008)

Selection over classes of ordinals expanded by monadic predicates. - Alexander Rabinovich; Amit Shomrat (Ann. Pure Appl. Log., 2010)