FROLLO, Ivan (ed.) - MAŇKA, Ján (ed.) - JURÁŠ, Vladimír (ed.). Measurement 2009 : Proceedings. 7th International Conference on Measurement. Smolenice, Slovak Republic, 20.-23.5.2009. Bratislava : Institute of Measurement Science Slovak Academy of Sciences, 2009. ISBN 978-80-969672-1-6.