@inbook{NBERc5962,
 Crossref = "NBERbald88-1",
 title = "International Trade in Telecommunications Services",
 author = "Andre Sapir",
 BookTitle = "Issues in US-EC Trade Relations",
 Publisher = "University of Chicago Press",
 pages = "231-246",
 year = "1988",
 URL = "http://www.nber.org/chapters/c5962",
}
@book{NBERbald88-1,
 title = "Issues in US-EC Trade Relations",
 author = "Robert E. Baldwin and Carl B. Hamilton and Andre Sapir",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1988",
 URL = "http://www.nber.org/books/bald88-1",
}