Bibliografia

Principal

• An Introduction to Algebraic Topology: J. Rotman 1991 J. Rotman, An Introduction to Algebraic Topology, Springer Graduate Texts in Mathematics (1991)
• Morse Theory: J. Milnor 1963 J. Milnor, Morse Theory, Princeton University Press (1963)
• From Calculus to Cohomology: I. Madsen and J. Tornehave 1997 I. Madsen & J. Tornehave, From Calculus to Cohomology, Cambridge U. P (1997)

Secundária

• Differential Forms in Algebraic Topology: R. Bott and L. Tu 1982 R. Bott & L. Tu, Differential Forms in Algebraic Topology, Springer GTM 82, (1982)