@misc{Łepkowski_Tadeusz_(1927–1989)_Esej_1972, author={Łepkowski, Tadeusz (1927–1989)}, volume={79}, editor={Institute of History of the Polish Academy of Sciences}, number={3}, copyright={Rights Reserved - Free Access}, journal={Kwartalnik Historyczny}, address={Warszawa}, howpublished={online}, year={1972}, publisher={Państwowe Wydawnictwo Naukowe}, language={pol}, title={Esej o narodzinach epoki współczesnej}, type={Text}, URL={http://rcin.org.pl/Content/33849/PDF/WA303_35422_A398-KH-R-79-3_Lepkowski.pdf}, keywords={history, modern - 20th c. - historiography, scientific and technical progress - 20th c., international relations - 20th c., art and literature - 19th c., 20th c.}, }