TY  - BOOK
AU  - Bauer, L. A.
AU  - Fisk, H. W.
AU  - Fleming, J. A.
AU  - Peters, W. J.
TI  - Land magnetic observations 1914-1920: vol. IV
PY  - 1921///
CY  - Washington, D C
PB  - The Carnegie Institution
KW  - Astronomy and Astrophysics Thesaurus
KW  - Land
ER  -