International Time Account during the day introduced by the decree of the Council of People's Commissars for the whole of Russia...

Byalokoz, E.L.The International Time Account during the day, introduced by the decree of the Council of People's Commissars for the whole of Russia from April 1, 1919.- Petrograd: ed.Ch.Hydrogr.Ex., 1919. -23 p., 1 l.kart.: table .. -.1. Territory (collection).Electronic copy source: PBOriginal storage location: SZ UGMS