Cheng, Hong 1990. The Rural Commodities Market in the Yangzi Delta, 1920-1940: a Social and Economic Analysis. Ph. D. dissertation, Univ. of California, Los Angeles.

程洪(1990)：《长江三角洲的乡村商品市场，1920 - 1940，社会与经济的分析》，洛杉矶加利福尼亚大学博士论文。

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But last week the U.S. Chamber of Commerce held a panel discussion on cybersecurity that featured Donald Paul, director of the Univ. of Southern California Energy Institute and the former chief technology officer at Chevron.

FORBES: Corporate Attacks Hint Of A Coming 'Cyber Pearl Harbor'