Szczypiorski K.: HICCUPS: Hidden Communication System for Corrupted Networks In Proc. of: The Tenth International Multi-Conference on Advanced Computer Systems ACS'2003, October 22 - 24, 2003 - Międzyzdroje, Poland
 Szczypiorski K.: Stenografia w bezprzewodowych sieciach lokalnych, rozprawa doktorska, styczeń 2007, Instytut Telekomunikacji PW
 Mazurczyk W., Szczypiorski K.: SteganographyofVolPStreams, In: R. Meersman and Z. Tari (Eds.): OTM 2008, Part II - Lecture Notes in Computer Science (LNCS) 5332, Springer-Verlag Berlin Heidelberg, Proc. of The 3rd International Symposium on Information Security (IS'08), Monterrey, Mexico, November 10-11, 2008
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