This set of Traced Papers specifically uses The Leuchter Report.
According to the Auschwitz-Birkenau State Museum ‘[The] facts make it clear that the “Leuchter Report,” allegedly a watershed in understanding Auschwitz, is in fact nothing more than an attempt, concealed beneath an academic-looking smokescreen of graphs, analyses, and calculations, at misinforming readers who have no access to the scholarly literature—or who are looking for precisely the sort of conclusions that Leuchter offers.’