@book{12450,
	author = {Plonsey, Robert. and Collin, Robert E.,},
	title = {Principles and applications of electromagnetic fields /},
	publisher = {McGraw-Hill,},
	year = {1961.},
	address = {New York :},
	note = {Includes index.},
	url = {http://catalog.hathitrust.org/api/volumes/oclc/863375.html}
}