1. Ann. of Math. Studies;A. Borel,1960
2. Bredon, G.,Sheaf Theory, McGraw-Hill, New York, 1967.
3. Bredon, G.,Introduction to Compact Transformation Groups, Academic Press, 1972.
4. Browder, W.,Torsion in H-spaces, Ann. of Math., 74(1961), 24–51.
5. Castellano, B.M.,Group actions associated with monoids on a disk, Tulane University dissertation, 1981.