Happ, H. H. (1980). Piecewise methods and applications to power systems. New York: John Wiley & Sons.
Chicago Style aipamenaHapp, H. H. Piecewise Methods and Applications to Power Systems. New York: John Wiley & Sons, 1980.
MLA aipamenaHapp, H. H. Piecewise Methods and Applications to Power Systems. New York: John Wiley & Sons, 1980.
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