@incollection{KuechlerBedelHaeusleretal., author = {K{\"u}chler, Andreas and Bedel, T. and H{\"a}usler, T. and Alff, J.J.}, title = {Evaluation of Water Content in Transformer Insulation by Polarization and Depolarization Current Measurements}, series = {TRANSFORMER}, volume = {01}, booktitle = {TRANSFORMER}, address = {Bydgoszcz, Polen}, language = {en} } @article{KuechlerBedel, author = {K{\"u}chler, Andreas and Bedel, T.}, title = {Dielectric Diagnosis of Water Content in Transformer Insulation Systems}, series = {ETEP European Trans. on El. Power}, volume = {11}, journal = {ETEP European Trans. on El. Power}, number = {1}, publisher = {VDE}, address = {Offenbach}, language = {en} }