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Letter

ArchiveSchool Informatics"Shkol'nitsa" systemCorrespondence apropos "Shkol'nitsa" system
Letter
Letter
Date: 
09.08.1985
Authors: 
Andrei Petrovich Ershov
Addresse: 
Nikolai I. Tarkhov
Organizations: 
School № 130 in Novosibirsk
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