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Martin Rupp
Martin Rupp has a Bachelor of Arts degree from the University of Applied Sciences, Saarbrücken. He specializes in fortification and artillery topics and has co-authored books about...lihat lebih banyakMartin Rupp has a Bachelor of Arts degree from the University of Applied Sciences, Saarbrücken. He specializes in fortification and artillery topics and has co-authored books about the battles for the Maginot Line in 1940 and World War I German siege artillery for Osprey Publishing.lihat lebih sedikit