Federal Office for Radiation Protection (BfS),
Ressortforschungsberichte zur kerntechnischen Sicherheit und zum Strahlenschutz, BfS-RESFOR-10/09-Bd.3: 1-129
2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Bologna, Italy. IEEE: 1197-1202; ISBN 978-1-5386-6010-2