Аннотация:Barkin Y., Hanada H., Ferrandiz J., Matsumato K., Sasaki S., Barkin M. (2013) The theory of the Moon rotation and determination of forth mode its physical libration. Japan Geosciene Union Meeting (19-24 May 2013, Makuhari Messe, Chiba, Japan). P-PS03-P03. Abstracts.
http://www2.jpgu.org/meeting/2013/session/PDF_all/P-PS03/PPS03_O_e.pdf
https://secure.jtbcom.co.jp/jpgu_e/program/DisplayContributionPDF.asp