Analysis of information sources in references of the Wikipedia article "나치 독일과 소련의 폴란드 점령" in Korean language version.
Piotrowski argues that from the very beginning, it was Stalin's aim to ensure that an independent Poland would never reemerge in the postwar period. The prisons, ghettos, internment, transit, labor and extermination camps, roundups, mass deportations, public executions, mobile killing units, death marches, deprivation, hunger, disease, and exposure all testify to the 'inhuman policies of both Hitler and Stalin and 'were clearly aimed at the total extermination of Poland's citizens, both Jews and Christians. Both regimes endorsed a systematic program of genocide.