1. Abstract and Concrete Categories;Adámek,1990
2. A categorical concept of completion of objects;Brümmer;Comment. Math. Univ. Carolin.,1992
3. Bicompletion and Samuel bicompactification;Brümmer;Appl. Categ. Structures,2002
4. Epireflections which are completions;Brümmer;Cahiers Topologie Géom. Différentielle Catégoriques,1992
5. Quasi-Uniform Spaces;Fletcher,1982