Diatomite based ceramics macro- and microscopic characterization H. Aderdour, A. Bentayeb, A. Nadiri, A. Ouammou, J.-C. Sangleboeuf, A. Lucas-Girot and C. Carel J. Phys. IV France, 123 (2005) 361-364 DOI: 10.1051/jp4:2005123066