1. The general concept of cleavability of a topological space;Arhangel'skiǐ;Topology Appl.,1992
2. A.V. Arhangel'skiǐ, A survey on cleavability, to appear.
3. On the product of biradial compact spaces;Arhangel'skiǐ;Topology Appl.,1992
4. Tightness and splittability;Bella;Zb. Rad.,1989
5. More on the product of pseudo radial spaces;Bella;Comment. Math. Univ. Carolin.,1991