%0 Journal Article %T Developing Methods and Devices for Ultrasonic Contactless Shadow Testing of Large-Sized Products Made of Polymer Composite Materials %A Kachanov, V. K. %A Sokolov, I. V. %A Karavaev, M. A. %A Minaev, D. V. %J Russian Journal of Nondestructive Testing %V 59 %N 1 %P 1-10 %@ 1061-8309 %D 2023-01-01 %I Pleiades Publishing %~ DeepDyve