1. X-ray studies on magneto-plumbite, PbO.6Fe2O3, and other substances resembling “beta-alumina” NaO.11Al2O3;Adelsköld;Arkiv. Kemi, Mirenal. Geol.,1938
2. Über ein neues oxydisches Mineral aus Långban. (Magnetoplumbit.);Aminoff;Geol. Foren, Stockholm Forh.,1925
3. A.Z.O. Materials, 2018. Magnets in the automotive industry, https://www.azom.com/article.aspx?ArticleID=15321 (accessed 01.04.2021)
4. Green chemistry: a design framework for sustainability;Beach;Energy Environ. Sci.,2009
5. High coercivity Sr hexaferrites;Beseničar;J. Magn. Magn. Mater.,1991