Sunho Jin, Yaeji Kim, Hangbin Jo, Hongu Yang, Yuna G Kwon, Masateru Ishiguro, Minsup Jeong, Hong-Kyu Moon, Young-Jun Choi, Myung-Jin Kim. (2021). Rendezvous Mission to Apophis: IV. Investigation of the internal structure – A lesson from an analogical asteroid Itokawa. The Bulletin of The Korean Astronomical Society, 46(2), 58-59.