Thompson, R. J.
Recurrent geomagnetic disturbances in 53 years of Ap indices / R.J. Thompson - Darlinghurst : IPS Radio and Space Services, 1985 - i, 20p. : ill. - Technical report / TR-85-06 .
Magnetism, Terrestial
Recurrent geomagnetic disturbances in 53 years of Ap indices / R.J. Thompson - Darlinghurst : IPS Radio and Space Services, 1985 - i, 20p. : ill. - Technical report / TR-85-06 .
Magnetism, Terrestial