TY  - RPRT
TI  - More on the alleged 1970 geomagnetic jerk
AU  - L.R. Alldredge
PY  - 1985
DO  - 10.1016/0031-9201(85)90138-4
UR  - https://pubs.usgs.gov/publication/70013082
ID  - 70013082
ER  -