ШИШКОВА КА, КОЗАК АВ. DIRECTIONAL PROPERTIES OF A CIRCULAR CYLINDRICAL PIEZOCERAMIC TRANSDUCER WITH A FLAT SCREEN IN THE DIAMETRICAL. techeng [Internet]. 2023Oct.26 [cited 2025Apr.26];(4):65-76. Available from: http://167.235.6.87:8089/index.php/techeng/article/view/1312