@Article{236848, author = "Ryszard Ergetowski", title = ""Wojciech Kętrzyński 1838-1918", Krystyna Korzon, Wrocław-Warszawa-Kraków 1993 : [recenzja] ", year = 1997, volume = 42, number = 3-4, journal = Kwartalnik Historii Nauki i Techniki, pages = s. 199-200, }