1. Atomic spaces and spectra;Adams;Proc. Edinb. Math. Soc.,1989
2. The group of self-homotopy equivalences – a survey;Arkowitz,1988
3. Algebraic Homotopy;Baues,1989
4. Fields of Spaces;Crabb,1992
5. C.R. Curjel, Nearrings of homotopy classes, unpublished.