1. Electro-discharge technology for drilling for wells and concrete destruction. ([2019]) Authors: Ushakov, V. I︠A︡ (Vasiliĭ I︠A︡kovlevich); Vajov, V. F; Zinoviev, N. T Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗