Ling, H. C The petroleum industry of the People's Republic of China / H. C. Ling - Stanford, Calif. Hoover Institution Press 1975 - xv, 264 p. : ill. ; 24 cm. - Hoover Institution publication ; 142. . Includes index. Bibliography: p. 243-255. ISBN: 0817914213 LCCN: 74-022168 //r86 Subjects--Topical Terms: Petroleum industry and trade--China