Grigorovich M-15 - AbsoluteAstronomy.com

Grigorovich M-15

Encyclopedia

Sources

Heinonen, Timo: Thulinista Hornetiin - Keski-Suomen ilmailumuseon julkaisuja 3, Keski-Suomen ilmailumuseo, 1992, ISBN 951-95688-2-4

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