Air-kerma strength determination of a <sup>169</sup>Yb high dose rate brachytherapy source.Published in:Medical Physics, 2008, v. 35, n. 9, p. 3935, doi. 10.1118/1.2964094By:VanDamme, J. J.;Culberson, W. S.;DeWerd, L. A.;Micka, J. A.Publication type:Article