Some Graph Problems with Equivalent Lower Bounds for Query Complexity. - Rusins Freivalds; Renate Praude; Lelde Lace (FCS, 2005)

Limitations of Non-Deterministic Finite Automata Imposed by One Letter Input Alphabet. - Laura Mancinska; Maris Ozols; Renate Praude; Agnese Zalcmane (FCS, 2005)