1. On the non-existence of elements of Hopf invariant one;Adams;Ann. of Math.,1960
2. Obstruction theory and ko-theory;Davis,1978
3. D.M. Davis and M. Mahowald, υ1- and υ2-periodicity in stable homotopy, Amer.J.Math., to appear.
4. Calculation of Lin's Ext groups;Lin;Math. Proc. Camb. Phil. Soc.,1980
5. The factorization of cyclic reduced powers by secondary cohomology operations;Liulevicius;Mem. Amer. Math. Soc.,1962