The earth's magentism /
Chapman, Sydney, 1888-
The earth's magentism / Sydney Chapman - [2nd ed., rev. and reset - New York : John Wiley; [1951] - 127 p. : ill. ; 17 cm. - Methuen's monographs of physical subjects .
Magnetism, Terrestrial
538.7
The earth's magentism / Sydney Chapman - [2nd ed., rev. and reset - New York : John Wiley; [1951] - 127 p. : ill. ; 17 cm. - Methuen's monographs of physical subjects .
Magnetism, Terrestrial
538.7