Constraining core undertones using stacked IDA gravity recordsPhil R. Cummins, Yoshiaki Tamura, John Wahr et al.|Geophysical Journal International|1991Cited by 47
A study of the Earth's free core nutation using international deployment of accelerometers gravity dataPhil R. Cummins, John Wahr|Journal of Geophysical Research Atmospheres|1993Cited by 41