Vakcinacija podozritelʹnosti i eë posledstvija (sovetskij variant massovoj filʹtracii byvšich voennoplennych na territorii Leningrada i oblasti vesnoj-letom 1945 g.) = "Vaccination" of suspicion and its consequences : (soviet approach to the large-scale filtering the ex-prisoners of war in Leningrad and Leningrad region during the spring-summer season of the 1945) - Ivanov, Viktor A.; Kološinskaja, Natal'ja Viktorovna (2016)