@inbook{Baumjohann2007, author = {Baumjohann, W. and Nakamura, R.}, editor = {Schubert, G.}, year = {2007}, pages = {77-92}, title = {Magnetospheric contributions to the terrestrial magnetic field}, publisher = {Elsevier Ltd.}, address = {Oxford}, journal = {Treatise on Geophysics Vol. 5} }