Eos. TRans. AGU / 2004 AGU Fall Meeting, 2004
Scientific, Legal, and Economic Perspectives of Marine Mining. UMI2006 ∙ Kiel, Germany, 2006
2007년 춘계 지질과학기술 공동학술대회, pp.486 - 488, 2007
The 37th Symposium on Ultrasonic Eletronics(USE) 2016, pp.3P6-2, 2016