Lun Nan Hai jiu duan xian de li shi, di wei he zuo yongZhiguo Gao · First published 2014Open the Tome
Environmental Regulation of Oil and Gas (International Energy & Resources Law and Policy Series Set)Zhiguo Gao · First published 1998Open the Tome
International Petroleum Contracts:Current Trends and New Directions (International Energy and Resources Law and Policy)Gao Zhiguo · First published 1994Open the Tome