TY  - RPRT
TI  - An evaluation of the accuracy of geomagnetic data obtained from an unattended, automated, quasi-absolute station
AU  - D.C. Herzog
PY  - 1990
DO  - 10.1016/0031-9201(90)90216-k
UR  - https://pubs.usgs.gov/publication/70016079
ID  - 70016079
ER  -