1. London Math. Soc. Lect. Note Series;MA Alghamdi,1992
2. D. Anick and F. P. Peterson, A
2
-Annihilated elements in H
*(ΩΣℝP
2), Proc. Amer. Math. Soc. 117 (1993), 243–250.
3. Contemp. Math.;JM Boardman,1993
4. London Math. Soc. Lect. Note Series;DP Carlisle,1992
5. M. D. Crossley, Results concerning the Steenrod algebra, Thesis, University of Aberdeen, 1994.