Revision history for entry Williams, J. Robert G.: Permutations and Foster problems: Two puzzles or one? [WILPAF]

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2022-11-10T01:09:56updateSystem / admin update
2022-03-11T13:37:06updateSystem / admin update
2021-12-28T15:09:46updateSystem / admin update
2019-02-06T23:10:52updateSystem / admin update
2018-11-02T10:08:38updateLocal copy uploaded (view this copy)
2015-02-05T04:16:38updateSystem / admin update
2013-12-01T23:37:25updateSystem / admin update
2011-01-21T04:06:51updateSystem / admin update
2010-10-14T03:46:03updateSystem / admin update
2009-01-31T22:17:23update
2009-01-31T22:16:38update
2009-01-31T22:15:45update