“Theoretical Model of Homogenized Piezoelectric Materials With Small Non-Collinear Periodic Cracks”. Frattura ed Integrità Strutturale 11, no. 42 (September 29, 2017): Pages 280–292. Accessed September 25, 2024. https://ww3.fracturae.com/index.php/fis/article/view/1958.