TY  - RPRT
TI  - An interpretation of induced electric currents in long pipelines caused by natural geomagnetic sources of the upper atmosphere
AU  - W.H. Campbell
PY  - 1986
DO  - 10.1007/bf01904061
UR  - https://pubs.usgs.gov/publication/70015601
ID  - 70015601
ER  -