Abstract: | The work was performed under the direction of Prof. P. L. Ivanov (deceased). The following workers of the Leningrad hydroelectric station participated in developing and introducing the method: I. V. Kornienko, V. B. Kuznetsov, L. E. Vasil'eva, A. E. Makarevich, I. P. Kuz'min, G. V. Plakhutin, as well as V. P. Smirnov, A. A. Kagan, G. N. Ivanov, N. V. Kosterin, S. I. Puzankov, and L. Ya. Libin of the Leningrad branch of the All-Russian Planning, Surveying, and Scientific-Research Institute. |