Jacobs, J. A. (John Arthur), 1916-2003.
The earth's core and geomagnetism.
Geomagnetism.
Gǒmagnťisme.
Terra (Estrutura Interna)
Terre -- Noyau.
Terra (Estrutura Interna) larpcal
Gǒmagnťisme. ram
Terre -- Noyau. ram
Erdinneres. swd
Erdmagnetismus. swd
Core of the Earth. fast (OCoLC)fst01352547
Geomagnetism. fast (OCoLC)fst00940796
Erdinneres. (DE-588)4152673-9 gnd
Erdmagnetismus. (DE-588)4015173-6 gnd
Earth (Planet) -- Core.