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{\em On the non-existence of Hopf invariant one},
Ann. of Math. {\bf 72} (1960), 20--104.

\bibitem[A2]{Ad2}  J. F. Adams,
{\em Stable homotopy and generalised homology},
The University of Cicago Press (1974).

\bibitem[Br]{Br}  G. E. Bredon,
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\bibitem[Do]{Do} A. Dold,
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\bibitem[Ha]{Ha} A. Hatcher,
{\em Algebraic Topology},
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\bibitem[Ko]{Ko} S. O. Kochman,
{\em Bordisms, Stable Homotopy and Adams Spectral Sequences},
Fields Institutes Monographs {\bf 7}, AMS, (1996).

\bibitem[MS]{MS} J. W. Milnor, J. D. Stasheff,
{\em Characteristic classes},
Princeton University Press, Princeton, (1974).


\bibitem[MT]{MT} R. E. Mosher, M. C. Tangora,
{\em Cohomology operations and applications in homotopy theory},
Harper \& Row Publishers, New York, (1968).

\bibitem[Sp]{Sp} E. H. Spanier,
{\em Algebraic Topology},
McGraw-Hill Book Company, New York, (1966).

\bibitem[SE]{SE} N. E. Steenrod,  D. B. A. Epstein,
{\em Cohomology Operations}, Annals of Math. Sudies,
{\bf 50}, Princeton Univ. Press, (1962).

\bibitem[Sw]{Sw} R. M. Switzer,
{\em Algebraic Topology -- Homotopy and Homology},
Springer, (1975).

\bibitem[To]{To} H. Toda,
{\em Composition Methods in the Homotopy Groups of Spheres},
Amm. Math. Studies, Princeton, (1962).

\bibitem[Wh]{Wh} G. W. Whitehead,
{\em Elements of Homotopy Theory},
Graduate Texts in Math., Springer, (1995).

\end{thebibliography}