CC-BY-NC-NDBrodić, DarkoAmelio, AlessiaDraganov, Ivo R.Christo Dichev Gennady Agre2023-12-282023-12-282016978-3-319-44747-610.1007/978-3-319-44748-3_8http://link.springer.com/chapter/10.1007%2F978-3-319-44748-3_8https://repozitorijum.tfbor.bg.ac.rs/handle/123456789/5457enResponse Time Analysis of Text-Based CAPTCHA by Association Rulesbook