2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS), Anchorage, AK, USA. IEEE: 928-933; ISBN 978-1-4799-8955-3
Pazderu K (ed.): Seed and Seedlings XII. Scientific and Technical Seminar. Czech University Life Sciences, Prague, Czech Republic; 83-87; ISBN 978-80-213-2544-9