1. Abadie, B. On the K-theory of non-commutative Heisenberg manifolds Ph. D. Dissertation. University of California at Berkeley, 1992.
2. Abadie, B. Generalized fixed-point algebras of certain actions on crossed products Submitted for publication.
3. Pedersen, G. C*-algebras and their automorphism groups Academic Press, London/New York/San Francisco (1979).
4. Rieffel, M. C*-algebras associated with irrational rotations Pacific Journal of Mathematics Vol. 93, 2, (1981), 415–429.
5. Rieffel, M. Projective modules over higher dimensional noncommutative tori Can. J. Math. Vol. XL. No 2. (1988) 257–338.