Paolo D'Arco Alfredo De Santis Anna Lisa Ferrara Barbara Masucci Security and Tradeoffs of the Akl-Taylor Scheme and Its Variants. 247-257 2009 MFCS http://dx.doi.org/10.1007/978-3-642-03816-7_22 conf/mfcs/2009 db/conf/mfcs/mfcs2009.html#DArcoSFM09