In NUMBER@1 , MISC@1 scholar PERSON@1 was one of the first to use MISC@2 data on deportations to estimate the number killed at LOCATION@1 , arriving at NUMBER@2 million dead , including NUMBER@3 million MISC@3 and NUMBER@4 Catholic Poles .

In NUMBER@1 , MISC@1 scholar PERSON@1 was one of the first to use MISC@4 data on deportations to estimate the number killed at LOCATION@1 .
