BibTex format
@article{Hulot:2010:10.1007/s11214-010-9703-6,
author = {Hulot, G and Balogh, A and Christensen, UR and Constable, CG and Mandea, M and Olsen, N},
doi = {10.1007/s11214-010-9703-6},
journal = {SPACE SCIENCE REVIEWS},
pages = {1--7},
title = {The Earth's Magnetic Field in the Space Age: An Introduction to Terrestrial Magnetism},
url = {http://dx.doi.org/10.1007/s11214-010-9703-6},
volume = {155},
year = {2010}
}