APA

Ivantsov O., Semenov L., Crory F., All-Union Scientific Research Institute for Pipelines, World Petroleum Congress (11th. : 1983 : London), Semenov L., Crory F. & All-Union Scientific Research Institute for Pipelines.Problems of environmental protection during construction and operation of pipeline systems in Northern regions. : .

Chicago

Ivantsov O.M, Semenov L.P, Crory F.E, All-Union Scientific Research Institute for Pipelines, World Petroleum Congress (11th. : 1983 : London), Semenov L.P, Crory F.E and All-Union Scientific Research Institute for Pipelines.Problems of environmental protection during construction and operation of pipeline systems in Northern regions. : .

Harvard

Ivantsov O., Semenov L., Crory F., All-Union Scientific Research Institute for Pipelines, World Petroleum Congress (11th. : 1983 : London), Semenov L., Crory F. and All-Union Scientific Research Institute for Pipelines.Problems of environmental protection during construction and operation of pipeline systems in Northern regions. : .

MLA

Ivantsov O.M, Semenov L.P, Crory F.E, All-Union Scientific Research Institute for Pipelines, World Petroleum Congress (11th. : 1983 : London), Semenov L.P, Crory F.E and All-Union Scientific Research Institute for Pipelines.: . .