“Barium Hexaferrite Ceramic Permanent Magnets”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 2, no. 1 (1). Accessed May 21, 2024. http://satnt.co.za/index.php/satnt/article/view/25.