copyright© 2013 Nakamura laboratry All Rights Reserved. 
| （1） | Ellen R. Harju, Alan E. Rubin, Insu Ahn, Byeon-Gak Choi, K. Ziegler and John T. Wasson, Progressive aqueous alteration of CR carbonaceous chondrites, submitted to Geochimica et Cosmochimica Acta. |
| （2） | Paul H. Warren, Alan E. Rubin, Junko Isa, Steve Brittenham, Insu Ahn and Byeon-Gak Choi, 2013, Northwest Africa 6693: A new type of FeO-rich achondrite with low Δ17O, Geochimica et Cosmochimica Acta. V.107, p.135-154. |
| （3） | Insu Ahn, Jong Ik Lee, Minoru Kusakabe and Byeon-Gak Choi, 2012, Oxygen isotope measurements of terrestrial silicates using a CO2-laser BrF5 fluorination technique and the slope of terrestrial fractionation line, Geoscience Journal, v.16, no.1, p.7-16. |
| （4） | Byeon-Gak Choi, Chang Gun Park, Insoo Ahn and Jong Ik Lee, 2009, Classification and petrological and geochemical characteristics of Antarctic meteorites found by 1st, 2nd and 3rd KOREAMET, Journal of the Geological Society of Korea, v. 45, no. 6, p. 593-605. |
| （5） | Seung-Gu Lee, Yoshihiro Asahara, Insoo Ahn, Kun-Han Kim, Tsuyoshi Tanaka, Seung-Ryeol Lee and Jong Ik Lee, 2009, Rare earth element abundance, and Nd and oxygen isotope of HED meteorites. Journal of the Geological Society of Korea, v. 45, no. 6, p. 607-614. |
| （6） | Byeon-Gak Choi, Insoo Ahn, Ming Sung Lee and Hong-Ja Shin, 2002, Thermal and shock metamorphic episodes of the Duwun L6 chondrite: Petrological evidence. Geoscience Journal, v. 6, no. 3, p. 161-167. |