@Article{ars-5-69-2007,
AUTHOR = {Frenzel, T. and Stumpf, J. and Koch, M.},
TITLE = {Shielding effectiveness of original and modified building materials},
JOURNAL = {Advances in Radio Science},
VOLUME = {5},
YEAR = {2007},
PAGES = {69--73},
URL = {http://www.adv-radio-sci.net/5/69/2007/},
DOI = {10.5194/ars-5-69-2007}
}