@Article{166678, author = "Józef Babicz", title = ""O Portuguēs Cristovāo Colombo, Agento secreto do Rei Dom Jōao II", Augusto de Mascarenhas Barreto, Lisboa 1988 : [recenzja] ", year = 1992, volume = 37, number = 1, journal = Kwartalnik Historii Nauki i Techniki, pages = s. 200-205, }