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Kovalchuk Roman Anatolijovych. Justification of drilling rigs pumping units rational startup procedures : к.т.н. : spec.. 05.02.09 - Динаміка та міцність машин : presented. 2008-05-20; popup.evolution: .; Lviv Polytechnic National University. – , 0408U003212.

Dvoryanyn Igor Vasylovych. Dynamic processes in fire plants on a basis pump's with curvilinear - profiled rotors. : к.т.н. : spec.. 05.02.09 - Динаміка та міцність машин : presented. 2003-10-02; popup.evolution: .; Lviv Polytechnic National University. – , 0403U003434.