Description of marine warning signs on the Finnish and Riga bays, the Baltic Sea and Monzund, and on the outskirts of the Shher ...

Description of marine warning signs on the Finnish and Riga bays, the Baltic Sea and Monzund, and on the outskirts of the Shher off the northern shores of the Gulf of Finland and the Baltic Sea.- Petrograd: ed.Ch.Hydrogr.Ex., 1916. -xxii, 163 s .. -.1. Territory (collection).Electronic copy source: PBOriginal storage location: Gunio MO RF