@article{WimmerSteinmetzClemens2009, author = {Georg Wimmer and T. Steinmetz and M. Clemens}, title = {Reuse, Recycle, Reduce (3R)}, journal = {Applied Numerical Mathematics}, series = {Strategies for the Calculation of Transient Magnetic Fields}, volume = {59}, pages = {830 -- 844}, doi = {10.1016/j.apnum.2008.03.015}, year = {2009}, }