S. Bhattacharyya, S. K. Pratihar, S. R. K, B. R. C, and G. R. I,"Preparation of alumina–high zirconia microcomposite by combined gel-precipitation", Materials Letters, vol.53, no.6, pp.425-431, Elsevier, April 2002, 10.1016/S0167-577X(01)00519-5 Article