74. Hyuntae Kang, Chanyoung Yu, Miran Kim, Hyunjoon Song, Kang Hyun Park "Synthesis of ZnO-CuO core-branch hybrid nanoparticles and their application as catalysts for ultrasound-assisted [3+2] cycloaddition of alkyne-azide" 13th Tetrahedron Symposium-Asia Edition, Taiwan, Taipei, November 26-30, 2012