TY  - BOOK
AU  - Watson, Donald E.,
ED  - United States.
TI  - A review of geomagnetism research in NOAA 1970-1971
U1  - 538.7 
PY  - 1972///
CY  - Washington
PB  - U.S. Dept. of Commerce
KW  - Geomagnetism
KW  - measurement
ER  -