SOUBUSTA, Jan, HADERKA, Ondřej, HENDRYCH, Martin. Quantum random number generator. ISBN 0-8194-4047-7. In: HRABOVSKÝ, M., KŘEPELKA, J., PEŘINA, J., eds. Wave and quantum aspects of comtemporary optics. Washington: SPIE The International Society for Optical Engineering, 2001, s. 54-60. Proceedings of SPIE., 4356. ISSN 0277-786X.