http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Máy biến áp, động cơ vạn năng, động cơ 1pha - 3 pha
Sách trình bày về sơ đồ dây quấn, cách tính toán số liệu dây quấn và kỹ thuật quấn dây.