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I need the theorems that prove that Nisnevich cohomology can be computed by the Cech complex similar to what happens in the ├ętale topology.

I know this has to be true since (Morel-Voevodsky: $\mathbb{A}^1$-homotopy theory of schemes. Publ. Math. IHES (1999)) say it at the beggining of sectio 3, page 95... but they don't give the reference!

Thank you very much for your help!

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The preprint version of Morel-Voevodsky has references: math.uiuc.edu/K-theory/305/nowmovo.pdf, Prop. 3.1.9. –  Marc Hoyois May 15 '13 at 10:44
Actually this is also in the published version. –  Marc Hoyois May 15 '13 at 10:45
Oups, you are right. Thank you very much. Prop. 3.1.9 is actually what i was looking for. Sorry for my mistake! –  Tintin May 17 '13 at 7:49

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