1. K.J. Klabunde, Nanoscale Materials in Chemistry (Wiley, New York, 2001)
2. S. Liu, D. Tao, L. Zhang, Powder Technol. 217, 502 (1999)
3. M.P. Morales, C.J. Serna, F. Bodker, S. Morup, J. Phys. 9, 5461 (1997)
4. Y. Jun, J. Seo, J. Cheon, Account 41, 179 (2008)
5. B.D. Cullity, Introduction to Magnetic Materials (Addison-Wesley, Readings, 1972)