@misc {TN_libero_mab2,
author = { Francis, George K. AND Weeks, Jeffrey R. },
title = { Conway's ZIP Proof },
publisher = {Informa UK Limited},
isbn = {0002-9890},
isbn = {1930-0972},
year = {1999},
url = { http://slubdd.de/katalog?TN_libero_mab2 }
}
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