@inbook {50, title = {Voevodsky{\textquoteright}s Nordfjordeid lectures: motivic homotopy theory}, booktitle = {Motivic homotopy theory}, series = {Universitext}, year = {2007}, pages = {147{\textendash}221}, publisher = {Springer, Berlin}, organization = {Springer, Berlin}, doi = {10.1007/978-3-540-45897-5_7}, url = {http://dx.doi.org/10.1007/978-3-540-45897-5_7}, author = {Voevodsky, Vladimir and R{\"o}ndigs, Oliver and {\O}stv{\ae}r, Paul Arne} }