Koenig, R. A., & Taylor, J. P. (1988). Protection of pipelines through highway roadbeds. Transportation Research Board, National Research Council.
Chicago-viite (17. p.)Koenig, R. A., ja J. P. Taylor. Protection of Pipelines Through Highway Roadbeds. Washington, D.C: Transportation Research Board, National Research Council, 1988.
MLA-viite (9. p.)Koenig, R. A., ja J. P. Taylor. Protection of Pipelines Through Highway Roadbeds. Transportation Research Board, National Research Council, 1988.
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