@book{70695,
	author = {Levasseur,Georges},
	title = {Sociologie criminelle et défense sociale /},
	publisher = {Librairie Sirey,},
	year = {1957.},
	address = {Paris :},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B10-09219.pdf}
}