%0 Journal Article %T Kumakhov optics in a portable x-ray assembly for stress-strain and element analysis %A Nikitina, Svetlana V. %A Zvonkov, Alexander D. %A Likhushina, Ekaterina V. %A Matveev, Dmitriy B. %J Proceedings of SPIE %V 4765 %N 1 %P 163-166 %@ 0277-786X %D 2002-07-30 %I SPIE %~ DeepDyve