\begin{thebibliography}{Tam93}
\bibitem[AM69]{atiyah-macdonald}
M.~F. Atiyah and I.~G. Macdonald.
\newblock {\em Introduction to commutative algebra}.
\newblock Addison-Wesley Publishing Co., Reading, Mass.-London-Don Mills, Ont.,
1969.
\bibitem[Ati61]{atiyah-characters_cohomology}
M.~F. Atiyah.
\newblock Characters and cohomology of finite groups.
\newblock {\em Inst. Hautes \'Etudes Sci. Publ. Math.}, (9):23--64, 1961.
\bibitem[GM14]{guillot-minac}
Pierre Guillot and J{\'a}n Min{\'a}{\v c}.
\newblock {Milnor K-theory and the graded representation ring}.
\newblock {\em {Journal of K-theory}}, 2014.
\bibitem[Ser77]{serre}
Jean-Pierre Serre.
\newblock {\em Linear representations of finite groups}.
\newblock Springer-Verlag, 1977.
\newblock Translated from the second French edition by Leonard L. Scott,
Graduate Texts in Mathematics, Vol. 42.
\bibitem[Tam93]{tambara}
D.~Tambara.
\newblock On multiplicative transfer.
\newblock {\em Comm. Algebra}, 21(4):1393--1420, 1993.
\bibitem[Web]{webb}
Peter Webb.
\newblock A guide to mackey functors.
\newblock Online notes.
\end{thebibliography}
