Study the Structure, Morphology and Vibration Modes for K2CrO4 and K2Cr2O7. Al-Nahrain Journal of Science, [S. l.], v. 20, n. 2, 2017. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/81. Acesso em: 9 apr. 2025.