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  1. By: Shanmugam,P. - Ahn, Yu-Hwan - Hyung Ryu,Joo
    Type: Article
    In: Gayana (Concepción)
    Date: 2004-01-01
  2. By: Yoo,Hong-Rhyong - Ryu,Joo-Hyung - Bae,Il-Hwan - Ahn, Yu-Hwan
    Type: Article
    In: Gayana (Concepción)
    Date: 2004-01-01