TY - DATA AU - Zbigniew Kotulski AU - Bogdan Ksiezopolski AU - Katarzyna Mazur TI - Cryptography and Security Systems T2 - Communications in Computer and Information Science SN - 9783662448939 PB - Springer KW - Computer Science KW - Data and Information Security UR - https://link.springer.com/openurl?genre=book&isbn=978-3-662-44893-9 ER -