@ARTICLE { AUTHOR = "Mat{\'{\i}}as Toro and Ronald Garcia and {\'E}ric Tanter", TITLE ="Type-Driven Gradual Security with References", JOURNAL = "ACM Transactions on Programming Languages and Systems (TOPLAS)", VOLUME = "40", NUMBER = "4", PAGES = "article 16", MONTH = "Nov", YEAR = "2018", PUBLISHER = "ACM Press", ADDRESS = "New York, NY, USA", ISSN = "0164-0925" }