LEWIŃSKI, J.; MAGNUCKA-BLANDZI, E.; SZYC, W. Shear Modulus of Elasticity for Thin-Walled Trapezoidal Corrugated Cores of Seven-Layer Sandwich Plates. Eng. Trans. 2015, 63 (4), 421-438. https://doi.org/10.24423/engtrans.309.2015.