Sources/SRC0D8MQQ3067PE SRC0D8MQQ3067PE · source · click to copy Efficient Cryptanalysis of Homophonic Substitution Ciphers Dhavare, Low and Stamp · 2013 · Cryptologia articlePaywalled Read at doi.org The publisher charges for this one. The link goes to its page.Cited by1 Survey: fifteenth-century Italian mixed keys and how they were brokenSRC0D8NJCVA17PZ