1.
Zieliński B, Skumiel A, Józefczak A. Experimental investigation of CoFe$_2$O$_4$ particle size and acoustic properties of magnetic fluid. Arch. Acoust. 2014;31(4(S):165-170. Accessed April 26, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1338