Balloonist.G. 12. 1915. No. 6-7.June July

Air Prig it: Scientific-Popul.and silt.Journal.-St. Petersburg, 1903-1917.-.1. The people (collection).Electronic copy source: PBOriginal storage place: Military Historical LibraryG. 12. 1915. No. 6-7.June-July: organ imp.All -Russian.Aero club.- [Petrograd]: Type.Usmanova, 1915. -[93] p.Section.pag.: Damn., Il .. -Bibliogr.In the tuning.Note..1. The people (collection).Electronic copy source: PBOriginal storage place: Military Historical Library