Taizo Shirai Shoji Kanamaru George Abe Improved Upper Bounds of Differential and Linear Characteristic Probability for Camellia. 128-142 2002 conf/fse/2002 FSE http://link.springer.de/link/service/series/0558/bibs/2365/23650128.htm db/conf/fse/fse2002.html#ShiraiKA02