[n] H. C. Appelo, M. Groenenboom, B. V. Hazemeyer, and J. Lisser, “The Zero-Flux DC Current Transformer, A High Precision, Bipolar, Wide-Band Measuring Device”, in Proc. PAC'77, Chicago, IL, USA, Mar. 1977, pp. 1810-1812.
%\cite{Appelo:PAC77} \bibitem{Appelo:PAC77} H. C. Appelo, M. Groenenboom, B. V. Hazemeyer, and J. Lisser, \textquotedblleft{The Zero-Flux DC Current Transformer, A High Precision, Bipolar, Wide-Band Measuring Device}\textquotedblright, in \emph{Proc. PAC’77}, Chicago, IL, USA, Mar. 1977, pp. 1810--1812.
@inproceedings{appelo:pac77, author = {H. C. Appelo and M. Groenenboom and B. V. Hazemeyer and J. Lisser}, title = {{The Zero-Flux DC Current Transformer, A High Precision, Bipolar, Wide-Band Measuring Device}}, booktitle = {Proc. PAC'77}, pages = {1810--1812}, paper = {}, venue = {Chicago, IL, USA, Mar. 1977}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }