TY  - RPRT
TI  - Alternate forms of the associated Legendre functions for use in geomagnetic modeling.
AU  - L.R. Alldredge
AU  - E.R. Benton
PY  - 1986
DO  - 10.5636/jgg.38.599
UR  - https://pubs.usgs.gov/publication/70014881
ID  - 70014881
ER  -