For citations:
Lugovoi V.P., Lugovoi I.V. DETERMINATION OF DIMENSIONAL PARAMETERS FOR ANNULAR CONCENTRATOR OF ULTRASONIC SYSTEM. Science & Technique. 2018;17(1):51-55. (In Russ.) https://doi.org/10.21122/2227-1031-2018-17-1-51-55
Lugovoi V.P., Lugovoi I.V. DETERMINATION OF DIMENSIONAL PARAMETERS FOR ANNULAR CONCENTRATOR OF ULTRASONIC SYSTEM. Science & Technique. 2018;17(1):51-55. (In Russ.) https://doi.org/10.21122/2227-1031-2018-17-1-51-55