1. Theory of Retracts;Borsuk,1967
2. Theory of Shape;Borsuk,1971
3. Example of cell-like maps that are not shape equivalences;Daverman;Mich. Math. J.,1983
4. General Topology;Engelking,1977
5. Topological Methods in Fixed Point Theory of Multi-Valued Mappings;Górniewicz,2006