Representation of sheaves of metric lattices by sections J. Pechanec-Drahoš (1982) Acta Universitatis Carolinae. Mathematica et Physica
Representations of presheaves of closure space Jaroslav Drahoš (1972) Czechoslovak Mathematical Journal
Representations of presheaves of semiuniformisable spaces, and representation of a presheaf by the presheaf of all continuous sections in its covering-space Jaroslav Drahoš (1971) Czechoslovak Mathematical Journal