@book{
  author = "関根, 松夫, 佐野, 元昭",
  title = "電磁気学を理解する",
  year: 1996
  month: 3
  key = "電気磁気学",
  key = "電磁気",
  publisher = "昭晃堂",
  address = "東京",
  ISSN/ISBN = "9784785611897 [4785611898]",
}