BibTeX
@ARTICLE{
         Werbos1979CiG,
       author = "Paul J. Werbos",
       title = "Changes in Global Policy Analysis Procedures Suggested by New Methods of
         Optimization",
       journal = "Policy Analysis and Information Systems",
       volume = "3",
       number = "1",
       pages = "27--52",
       year = "1979"
}