Homotopy types of orbit spaces and their self-equivalences for the periodic groups ℤ / a ⋊ ( ℤ / b × T n ☆ ) and ℤ / a ⋊ ( ℤ / b × O n ☆ ) . Golasiński, Marek, Gonçalves, Daciberg Lima (2006) Journal of Homotopy and Related Structures