Elmebrouki, K., S. Tamsamani, J. Aazza, M. Khechoubi, and A. Khmou. “Synthesis and Characterization of New Materials Like Perovskite [NH3-(CH2)n-NH3] ZnCl4 Avec n=8 Et 10”. Journal of Asian Scientific Research, vol. 1, no. 4, Aug. 2011, pp. 216-9, https://archive.aessweb.com/index.php/5003/article/view/3289.