@book{61202,
	author = {Birnie, Patricia W. and Boyle, Alan E.},
	title = {International law and the environment /},
	publisher = {Oxford University Press,},
	year = {2002.},
	address = {Oxford ;},
	edition = {2nd edition.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/ENGB11-00127.pdf}
}