Title: Federalʹnoe soveshchanie "Problemy ėkologicheskoĭ bezopasnosti neftegazovogo kompleksa Srednego Priobiʹi︠a︡", g. Nizhnevartovsk 17.02-18.02.1999 g.
Subjects: Petroleum industry and trade, Congresses
Places: Russia (Federation), Ob River Region