@book{78200,
	author = {Wilson, O. W.},
	title = {Police planning  /},
	publisher = {Charles C Thomas,},
	year = {1952.},
	address = {U.S.A :},
	note = {Index },
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B07-06890.pdf}
}