@book{9139,
	author = {Statkiewicz Sherer, Mary Alice. and Visconti, Paula J.},
	title = { Radiation protection in medical radiography/},
	publisher = {Elsevier,},
	year = {2018.},
	address = {Canada :},
	edition = {8th ed.},
	url = {https://books.google.com.pk/books?id=Dng2DwAAQBAJ&dq=Radiation+protection+in+medical+radiography&hl=en&sa=X&redir_esc=y}
}