Revision history for entry Ryan, James A. (1996). "Leibniz' binary system and Shao Yong's "yijing"" [RYALBS]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2014-04-01T11:53:42updateSystem / admin update -
2011-08-26T17:28:04update
2011-08-26T17:20:12update