{"id":"vonzurgathen2023unicity","DOI":"10.1080/01611194.2023.2174821","URL":"https://doi.org/10.1080/01611194.2023.2174821","type":"article-journal","title":"Unicity distance of the Zodiac-340 cipher","author":[{"given":"Joachim","family":"von zur Gathen"}],"issued":{"date-parts":[[2023]]},"year-text":"2023","container-title":"Cryptologia 47(5): 474-488","catalog-key":"SRC0D71P6CE73Y3"}