@book{93532,
	author = {Takuma, Tadasu, and Shindo, Takatoshi,},
	title = {Problems and puzzles in electric fields /},
	publisher = {Springer,},
	year = {2020},
	address = {Singapore :},
	url = {https://link-springer-com.libraryumpsa.idm.oclc.org/book/10.1007/978-981-15-3297-9}
}