@inproceedings{HoffmannPatt2002, author = {Klaus F. Hoffmann and Michael Patt}, title = {Some aspects of reducing ferromagnetic components in uninterruptible power supplies}, booktitle = {TELESCON 2000. Third International Telecommunications Energy Special Conference}, volume = {2002}, pages = {239 -- 244}, doi = {10.1109/TELESC.2000.918445}, year = {2002}, }