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19-05-2004.
Logotron: version 2.01 was released.
27-03-2004.
DOORS: version 2.18.2 was released.
24-03-2003.
Logotron: version 1.01 was released.
17-04-2001.
New version 2.17 of the DOORS program was released. New features: the interface of the main menu was improved, the payment orders and "User's" database were added.