References

Recommended Text Books:

• G. E. Bredon, Topology and Geometry, Springer GTM 139 (1993)
• J. Rotman, An Introduction to Algebraic Topology, Springer GTM 119 (1988)
• J. Milnor, Morse Theory, Princeton University Press (1963)
• R. Bott & L. Tu, Differential Forms in Algebraic Topology, Springer GTM 82, (1982)
• I. Madsen & J. Tornehave, From Calculus to Cohomology, Cambridge U. P (1997)