Cheng, Chu-Yuan. China's petroleum industry : output growth and export potential / Chu-yuan Cheng. - New York : Praeger, 1976. - xvii, 244 p. : - Praeger special studies in international economics and development . Includes index. ISBN: 0275018105 : Subjects--Topical Terms: Petroleum industry and trade---China. Dewey Class. No.: 338.272820951 / Ch