求且paper一篇:The contract formation problem in preventive pavement maintenance: A fixed-charge goal programming model
出处：Computers, Environment and Urban Systems。Volume 6, Issue 3, 1981, Pages 147-155
作者：Ronald D. Armstrong and Wade D. Cook
链接:http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V9K-46638K7-J&_user=10&_coverDate=12%2F31%2F1981&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_searchStrId=1578903913&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=03b54998d26f084ad87c4b258273cca6&searchtype=a