@book{62604,
	author = {Gao, Zhiguo },
	title = {International Petroleum Contracts Current Trends and New Directions / },
	publisher = {Graham Trotman/martinus Nijhoff Members of the Kluwer Academic Publishers Group,},
	year = {1994.},
	address = {London : },
	note = { },
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B11-07344.pdf}
}