@misc{Kramsztyk_Jerzy_(1888-1942/43)_Upper,
 author={Kramsztyk, Jerzy (1888-1942/43)},
 howpublished={online},
 publisher={[B.w.]},
 language={eng},
 title={Upper Silesia in economic relation to Poland and Germany},
 type={maszynopis},
 keywords={gospodarka, Górny Śląsk, Polska, Niemcy},
}