Preparation and Mössbauer Studies of α-Fe2O3 Nanoparticle
Jiang Ji-Sen, Gao Lian, Yang Xie-Long, Guo Jing-Kun
Acta Phys. -Chim. Sin. . 2000, (04): 312 -316 .  DOI: 10.3866/PKU.WHXB20000405