@phdthesis{Wardinski2005,
author = {Wardinski, Ingo},
year = {2005},
title = {Core Surface Flow Models from Decadal and Subdecadal Secular Variationof the
Main Geomagnetic Field},
type = {Dissertation},
url = "http://dx.doi.org/10.17169/refubium-8325",
}