by El-Batal, Hatem A, El-Mandouh, Zeinab S, Zayed, Hamdia A, Marzouk, Samir Y, El-Komy, Gihan M, Hosny, Ahmed
Published in Indian journal of pure & applied physics (01.06.2012)

by El-Batal, Hatem A., Azooz, Moenis A., Ezz-El-Din, Fathy M., El-Alaily, Nagia A.
Published in Journal of the American Ceramic Society (01.09.2001)