-
KRHOVJÁK, Jan; Petr ŠVENDA; Václav MATYÁŠ a Luděk SMOLÍK. The Sources of Randomness in Smartphones with Symbian OS. In Security and Protection of Information 2007. Brno: University of Defence, 2007, s. 87-98. ISBN 978-80-7231-230-6.Podrobněji: https://is.muni.cz/publication/717988/cs