@book{11230,
	author = {Griffiths, David J.},
	title = {Introduction to electrodynamics},
	publisher = {PHI Learning},
	address = {New Delhi},
	edition = {3rd},
	url = {https://libgen.is/book/index.php?md5=635B96707ABD947654A466A3F6D9EDFD}
}