1、Growth and its disparity in rich and poor regions
James L. Seale, Jr. [/url], Henri Theil and Sri Devi Deepak
[url=http://www.sciencedirect.com/science/journal/01651765]Economics Letters
Volume 45, Issue 4, August 1994, Pages 467-470
http://www.sciencedirect.com/science/article/B6V84-4593DWM-T/2/4ee51ee0559c1682e1a058705f4ae79f
2、Working's model for food in the four phases of the international comparison project
James Seale, Jr. and Henri Theil
Economics Letters
Volume 22, Issue 1, 1986, Pages 103-104
http://www.sciencedirect.com/science/article/B6V84-45DMT0Y-GR/2/629680d7f8a748e8deb61d96f3883805

3、Further analysis of cross-country comparison of consumer expenditure patterns
Theodore Gamaletsos
European Economic Review
Volume 4, Issue 1, April 1973, Pages 1-20
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V64-47MC5PP-2&_user=10&_coverDate=04%2F30%2F1973&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1481962618&_rerunOrigin=scholar.google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=dc27d76ad2c6bde23fe3972bb56d158a&searchtype=a

4、A simple method of estimating price elasticities in international trade
Kenneth W. Clements and Henri Theil

Economics Letters
Volume 1, Issue 2, 1978, Pages 133-137
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V84-45DMR74-7&_user=10&_coverDate=12%2F31%2F1978&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1482008322&_rerunOrigin=scholar.google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=772b90e9200ad16d50d3b291499244f8&searchtype=a