@book{56571,
	author = {Harris, D.J.},
	title = {Cases and materials on international law /},
	publisher = {Sweet & Maxwell،},
	year = {1991.},
	series = {International student editions},
	address = {London :},
	edition = {4th edition.},
	note = {includes index},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/ENGB11-00042.pdf}
}