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\bibitem{Gasiorowski2005} G{\k a}siorowski S., \textit{Stein Edmund Menachem (Chiel Mendel) (1893-1943)}, [w:]  \textit{Polski S{\l}ownik Biograficzny}, t. 43, nr 2(177), Krak{\'o}w, 2005, s. 289--91

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