Hiding Data in Games. - Julio César Hernández Castro; Ignacio Blasco-Lopez; L. Javier García-Villalba (J. Int. Comput. Games Assoc., 2004)

Steganography in games: A general methodology and its application to the game of Go. - Julio César Hernández Castro; Ignacio Blasco-Lopez; Juan M. Estévez-Tapiador; Arturo Ribagorda Garnacho (Comput. Secur., 2006)