MITP
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-- Dickreckard (talk) 02:15, 31 October 2015 (CET)
Documentation "industry"
http://www.mondotheque.be/wiki/index.php/File:DSC04503lowjpg.jpeg http://www.mondotheque.be/wiki/index.php/File:DSC04504lowjpg.jpeg http://www.mondotheque.be/wiki/index.php/File:Paul-otlet-tiroires-fiches.jpg