Revision history for entry Høyrup, Jens: What did the abbacus teachers aim at when they (sometimes) ended.. [HYRWDT]

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2017-01-26T04:22:19updateSystem / admin update
2015-03-23T06:41:31updateSystem / admin update
2014-01-29T05:50:03updateSystem / admin update
2014-01-29T05:49:21addSystem / admin update