Longerich, Politik, 234-235, 648 n. 36, arguing persuasively against the contention of Goetz Aly that the killings stood in a causal connection with plans to resettle ethnic Germans in the area (Aly, ‘Final Solution", 70-76; idem, ‘Medicine against the Useless’, in idem et al., Cleansing the Fatherland: Nazi Medicine and Racial Hygiene (Baltimore, Md., 1994), 22-98).