@incollection{Pirjola12,
author = {Risto Pirjola},
title = {Geomagnetically Induced Currents as Ground Effects of Space Weather},
booktitle = {Space Science},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Herman J. Mosquera Cuesta},
chapter = {2},
doi = {10.5772/29840},
url = {https://doi.org/10.5772/29840}
}