PIERS 2007 Beijing: Progress In Electromagnetics Research Symposium, Beijing, China. The Electromagnetics Academy, Cambridge, MA: pp. 105-112; ISBN 978-1-934142-00-4
PIERS 2007 Beijing: Progress In Electromagnetics Research Symposium, Beijing, China. The Electromagnetics Academy, Cambridge, MA: pp. 94-98; ISBN 978-1-934142-00-4
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Bachmann M, Tomson R, Kalda J, Säkki M, Lass J, Tuulik V, Hinrikus H