TY  - BOOK
AU  - Bigelow,Frank H.
TI  - Notes on a new method for the discussion of magnetic observations
T2  - U.S. Weather bureau. Bulletin,
AV  - QC851 .U5 no. 2
PY  - 1892///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Geomagnetism
KW  - Observations
ER  -