O Petrogradskom uzle puteĭ soobshchenii͡a︡
Subtitle: v svi͡a︡zi s voprosom razvitii͡a︡ i uluchshenii͡a︡ porta
By: V.E. Timonov.
Publisher: [s.n.]
Published: 1920
Place of publication: [Petrograd?]
Language: rus
Number of pages: 54