History of the earth's magnetic field
Strangway, David W
History of the earth's magnetic field - New York: McGraw-Hill Book Company: 1970 - viii, 168p. - Earth and planetary sciences series .
History
Magnetic minerals
D 550.382(091) / L0
History of the earth's magnetic field - New York: McGraw-Hill Book Company: 1970 - viii, 168p. - Earth and planetary sciences series .
History
Magnetic minerals
D 550.382(091) / L0