Here you can see and download a booklet in two parts containing information about the AMSI-project and detailed construktion plans and hints of how to build the AMSI-cooker
And here you can download a little booklet in German language from the "Landesanstalt für Umweltschutz Baden-Württemberg" about experiences with German solar projects in Afrika (containing a short statement about AMSI):
http://solarenergie-fuer-afrika.de/solar/cms/upload/pdf/schulprojekt/material/arbeitm_33.pdf