\begin{thebibliography}{1}

\bibitem{DoldL}
A.~Dold and R.~Lashof.
\newblock Principal quasi-fibrations and fiber homotopy equivalence of bundles.
\newblock {\em Illinois J. Math.}, 3:285--305, 1959.

\bibitem{delnotes}
Vladimir Voevodsky.
\newblock Lectures on motivic cohomology 2000/2001 (written by {P}ierre
  {D}eligne).
\newblock {\em www.math.ias.edu/{$_{\textstyle
  \tilde{}}\,$}vladimir/rear.html}, 2000/2001.

\bibitem{Open}
Vladimir Voevodsky.
\newblock Open problems in the motivic stable homotopy theory, {I}.
\newblock In {\em Motives, Polylogarithms and Hodge Theory, Part {I}}, pages
  3--35. International Press, 2002.

\end{thebibliography}