Revision history for entry Heck, Richard; Boolos, George (1998). "Die Grundlagen der Arithmetik ยงยง82-83" [HECDGD]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2013-06-13T17:17:21updateLocal copy uploaded (view this copy) -
2011-03-07T22:13:44update
2011-03-07T22:13:44update
2011-03-07T22:13:44add