题目：The evolution of retailing. A suggested economic interpretation
作者：Roger Betancourt and David A. Gautschi
出版年份及卷期： International Journal of Research in Marketing
Volume 3, Issue 4, 1986, Pages 217-232
链接：
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V8R-45JT18T-2&_user=2046845&_coverDate=12%2F31%2F1986&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1602618044&_rerunOrigin=scholar.google&_acct=C000055930&_version=1&_urlVersion=0&_userid=2046845&md5=47da4e8621605f4b7fde2d1cae5d1df3&searchtype=a