海量图书期刊资源,随时随地畅享阅读乐趣
A Model of the Geomagnetic Field at Epoch 1975D. R. Barraclough; J. M. Harwood; B. R. Leaton; S. R. C. Malin · 1975
A definitive model of the geomagnetic field and its secular variation for 1965 — I. Derivation of model and comparison with the IGRFD. R. Barraclough; J. M. Harwood; B. R. Leaton; S. R. C. Malin · 1978