Cover of the work “Improving the quality of loudspeaker announcements in emergency situations and passenger services at railway stations”. Author: Shvetsov, Nikolai Nikolaevich. Degree: Candidate of Sciences. Year: 1999

Improving the quality of loudspeaker announcements in emergency situations and passenger services at railway stations

  • 05.26.04

Moscow

205 pp.

Improving the quality of loudspeaker announcements in emergency situations and passenger services at railway stations — Shvetsov, Nikolai Nikolaevich — 1999 — Russian Dissertation Library