CERTAIN QUESTIONS RELATING TO THE THEORY OF THE WELDING OF PLASTICS BY ULTRASOUND, Document Details Document Type Technical Report Publication Date Apr 29, 1963 Accession Number AD0415653 Entities People L.n. Skorokhodov Tags DTIC Thesaurus Topics Acoustic Waves Elastic Waves Macromolecules Materials Mechanical Waves Molecules Plastics Polymers Sound Waves Ultrasounds