TY  - RPRT
TI  - Ancient geomagnetic field intensities—III historic and archeological data: H13X and H14-15 geological data: G22-29
AU  - P.J. Smith
PY  - 1968
DO  - 10.1111/j.1365-246x.1968.tb02308.x
UR  - https://pubs.usgs.gov/publication/70209027
ID  - 70209027
ER  -