TY - JOUR T1 - Ferrofluids: properties and applications JO - Brazilian Journal of Physics A1 - Scherer, C. A1 - Figueiredo Neto, A. M. SN - 0103-9733 UL - 10.1590/S0103-97332005000400018 VL - 35 Y1 - 2005 PB - Brazil ER -