[1] RUSSIAN MINIST TRANSPORT COMMUN,MOSCOW INST TRANSPORT ENGINEERS,MOSCOW 107174,RUSSIA
[2] RUSSIAN ACAD SCI,INT INST EARTHQUAKE PREDICT THEORY & MATH GEOPHYS,MOSCOW 113556,RUSSIA
[3] UNIV COLL SWANSEA,SCH EUROPEAN BUSINESS MANAGEMENT,SWANSEA SA2 8PP,W GLAM,WALES
[4] RUSSIAN ACAD SCI,INST PROBLEMS INFORMAT TRANSMISS,MOSCOW 101447,RUSSIA