References
- Kletkin , ID and Freivert , EE . 1969 . Equipment for welding of fabrics and knitwear, containing chemical fibres, by ultrasonic welding , 110 Moscow : TsNIITEIlegpishchmash .
- Solov'ev , AP . 1970 . Welding of materials in knitwear production , 72 Moscow : Legkaya Industriya .
- Volkov , SS . 2001 . Welding and bonding of polymer materials, textbook , 376 Moscow : Khimiya .
- Donskoi , AV . 1982 . Ultrasonic electrical engineering systems , 208 Leningrad : Energoizdat .
- Volkov , SS and Chernyak , BYa . 1986 . Ultrasonic welding of plastics , 254 Moscow : Khimiya .