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  1. Mills, J., & Smith, R. (2018). Polyurethane Foam Technology. Springer.
  2. Johnson, L., et al. (2020). Advances in Composite Materials for Automotive Applications. Elsevier.
  3. ASTM D3574-20 Standard Test Methods for Flexible Cellular Materials – Slab, Bonded, and Molded Urethane Foams.
  4. ISO 1856:2017 Plastics — Determination of compression properties.
  5. ISO 8307:2017 Rubber, vulcanized or thermoplastic — Determination of rebound resilience.

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