TY  - BOOK
AU  - Howe,H.Herbert
TI  - Magnetic observations in the American republics, 1945-48 / 
T2  - Serial / U.S. Dept. of Commerce, Coast and Geodetic Survey ; 
PY  - 1949///
CY  - Washington : 
PB  - U.S. G.P.O., 
KW  - GEOMAGNETISMO
KW  - Mexico
KW  - South America
KW  - West Indies
ER  -