%0 Journal Article %A Griesmaier, Roland %T A general perturbation formula for electromagnetic fields in presence of low volume scatterers %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2011 %P 1193-1218 %V 45 %N 6 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2011015/ %R 10.1051/m2an/2011015 %G en %F M2AN_2011__45_6_1193_0