Optimum Ship Routing and It's Implementation on the Web. - Heeyong Lee; Gilyoung Kong; Sihwa Kim; Cholseong Kim; Jaechul Lee (AISA, 2002)

Comparison of MIMO schemes in IEEE 802.11ac under time-varying channels: analytical approach. - Heejung Yu; Heeyong Lee (ICCE-Berlin, 2014)