@unpublished{TUW-258418, author = {Artner, Gerald and Langwieser, Robert and Mecklenbr{\"a}uker, Christoph}, title = {Antenna Efficiency Reduction Due to Carbon-Fiber Car Roofs}, year = {2015}, keywords = {car roof, CFRP, CFC, carbon fiber, composites, antenna, shark-fin, automotive, vehicular}, note = {talk: Arbeitsgemeinschaft Hochfrequenztechnik der {\"O}FG, 3rd Workshop, Wien; 2015-09-29 -- 2015-09-30} }