Circle K.A. Fundamentals of Electrical Engineering. In 2 Vol. Vol. 2. The theory of alternating currents. In Russian /Krug K.A. Osnovy elektrotekhniki. V 2-kh t. T. 2. Teoriya peremennykh tokov. Sixth, completely reworked edition. M.-L. Gosenergoizdat 1946. 636 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalbf43cd2f166a90e29.