Dai Watanabe Alex Biryukov Christophe De Cannière A Distinguishing Attack of SNOW 2.0 with Linear Masking Method. 222-233 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3006&spage=222 2003 conf/sacrypt/2003 Selected Areas in Cryptography db/conf/sacrypt/sacrypt2003.html#WatanabeBC03