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Anchor text: Казазян, Агоп. Противотанковите пушки в българската войска, Военноисторически сборник, кн. 2, 2005, с. 52-53. (Kazazian, Agop. Anti-tank Rifles in Bulgarian Army, Military Historical Collection, 2005, vol. 2, p.52-53.)

Wikipedia: Solothurn S-18/100

Wikipedia: Battle of Turtucaia

Anchor text: The Military Tactics of the Bulgarians 7th–9th centuries

Wikipedia: Battle of Marcellae

Anchor text: Prokopiev, Anatlii. THE AEGEAN FORMATION OF BULGARIAN NAVY IN THE FIRST WORLD WAR, ВИС кн. 1, С., 2004 г.

Wikipedia: Bulgaria during World War I

Anchor text: Българските военни каски

Wikipedia: Bulgarian M36 helmet

Wikipedia: Ivan Kolev (general)

Anchor text: Българските Военни Каски

Wikipedia: List of combat helmets

Anchor text: Assoc. Pavlov: The participation of Chap. I rank D. Dobrev in the Russo-Japanese War

Wikipedia: Dimitar Dobrev (officer)

Anchor text: Memories of General Georgi Vazov from the website of the Military Publishing House

Wikipedia: Georgi Vazov

Anchor text: Military History Collection , no. 1-2, 2006

Wikipedia: Battle of Banjski Dol