1. Hausdorff Compactifications;Chandler,1976
2. The compactifications to which an element of C∗(X) extends;Chandler;Proc. Amer. Math. Soc.,1973
3. Some characterizations of the Freudenthal compactification of a semicompact space;Dickman;Proc. Amer. Math. Soc.,1968
4. Topology;Dugundji,1966
5. General Topology;Engelking,1977