Hofmann, W., Schlabbach, J., & Just, W. (2012). Reactive power compensation: A practical guide. Wiley.
Lua i Stíl Chicago (17ú heag.)Hofmann, Wolfgang, J. Schlabbach, agus Wolfgang Just. Reactive Power Compensation: A Practical Guide. Chichester, West Sussex, U.K: Wiley, 2012.
Lua MLA (9ú heag.)Hofmann, Wolfgang, et al. Reactive Power Compensation: A Practical Guide. Wiley, 2012.
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