Comparison of sol-gel and co-precipitation methods on the structural properties and phase transformation of  γ and α-Al2O3 nanoparticles
A. Rajaeiyan,M. M. Bagheri-Mohagheghi
Advances in Manufacturing . 2013, (2): 176 -182 .  DOI: 10.1007/s40436-013-0018-1