%pdf-1.2 %쏢 5 0 obj < > stream xvr\5wr(jԒi@gecg9c'c ~Ӻicldi:t_}z;k~7/nvolyf>٭owoȖz{zdkru2ww槁,do%t̥pvd&+*o=sr3-^$Ķ{c9n8gyq*g1ofv]2fq...
www.webir.org/resources/phd/Berberich_2004.pdf